Site.ObjectsInTheCollection History

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07 March 2019 by 58.6.73.249 -
Added line 39:
|| ||000-200: Ancient Roman dividers||
Added lines 234-235:

*[[Dividers C1-C3|000-200: Ancient Roman Dividers]]
09 December 2018 by 180.181.193.128 -
09 December 2018 by 180.181.193.128 -
Added line 12:
|| ||000-200: Ancient Roman dividers||
Added lines 176-177:

*[[Dividers C1-C3|000-200: Ancient Roman Dividers]]
22 November 2017 by 103.78.156.6 -
Added line 35:
|| ||~1876: Tachylemme by Casimir-Louis Chambon||
Added lines 225-226:

* [[Tachylemme 1876|~1876: Tachylemme by Casimir-Louis Chambon]]
29 May 2017 by 137.147.17.20 -
Changed line 19 from:
|| ||'~1650': Blaise Pascal's "Pascaline" - replica of The Queen of Poland Pasclaine (at Dresden)||
to:
|| ||'~1650': Blaise Pascal's "Pascaline" - replica of The Queen of Poland Pascaline (at Dresden)||
Changed line 189 from:
* [[DresdenPascaline1652|'~1650': Blaise Pascal's "Pascaline" - replica of The Queen of Poland Pasclaine (at Dresden)]]
to:
* [[DresdenPascaline1652|'~1650': Blaise Pascal's "Pascaline" - replica of The Queen of Poland Pascaline (at Dresden)]]
18 May 2017 by 103.78.156.240 -
Changed lines 18-19 from:
|| ||'~1652': Blaise Pascal's "Pascaline" - working exemplar based on surviving machines||
|| ||'~1652': Blaise Pascal's "Pascaline" - replica of The Queen of Poland Pasclaine (at Dresden)||
to:
|| ||'~1650': Blaise Pascal's "Pascaline" - working exemplar based on surviving machines||
|| ||'~1650': Blaise Pascal's "Pascaline" - replica of The Queen of Poland Pasclaine (at Dresden)||
Changed lines 187-189 from:
* [[Pascaline 1652|'~1652': Blaise Pascal's "Pascaline" - working exemplar based on surviving machines]]

* [[DresdenPascaline1652|'~1652': Blaise Pascal's "Pascaline" - replica of The Queen of Poland Pasclaine (at Dresden)]]
to:
* [[Pascaline 1652|'~1650': Blaise Pascal's "Pascaline" - working exemplar based on surviving machines]]

* [[DresdenPascaline1652|'~1650': Blaise Pascal's "Pascaline" - replica of The Queen of Poland Pasclaine (at Dresden)]]
17 May 2017 by 103.78.156.114 -
Changed line 187 from:
* [[Pascaline 1652|'~1652': Blaise Pascal's "Pascaline" - working exemplar based on surviving machines]
to:
* [[Pascaline 1652|'~1652': Blaise Pascal's "Pascaline" - working exemplar based on surviving machines]]
17 May 2017 by 103.78.156.114 -
Changed line 18 from:
|| ||'~1652': Blaise Pascal's "Pascaline" - replica based on surviving examples||
to:
|| ||'~1652': Blaise Pascal's "Pascaline" - working exemplar based on surviving machines||
Changed line 187 from:
* [[Pascaline 1652|'~1652': Blaise Pascal's "Pascaline" - replica based on surviving examples]]
to:
* [[Pascaline 1652|'~1652': Blaise Pascal's "Pascaline" - working exemplar based on surviving machines]
15 May 2017 by 103.78.156.114 -
Added line 19:
|| ||'~1652': Blaise Pascal's "Pascaline" - replica of The Queen of Poland Pasclaine (at Dresden)||
Added lines 188-189:

* [[DresdenPascaline1652|'~1652': Blaise Pascal's "Pascaline" - replica of The Queen of Poland Pasclaine (at Dresden)]]
13 January 2016 by 210.84.4.97 -
Changed line 22 from:
|| ||1668: Gaspar Schott: Organum Mathematicum Libris IX Explicandum||||
to:
|| ||1668: Gaspar Schott: //Organum Mathematicum Libris IX Explicandum//||||
Changed lines 189-193 from:
%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+The first "computer manual"?+' 

* [[Morland 1672|1672: Morland (Samuel) //A New, and most useful Instrument for Addition and Subtraction of Pounds, Shillings, Pence, and Farthings//]]


to:

Changed lines 195-196 from:
* [[Schott 1168|1668: Gaspar Schott: Organum Mathematicum Libris IX Explicandum]]
to:
* [[Schott 1168|1668: Gaspar Schott: //Organum Mathematicum Libris IX Explicandum//]]
Added lines 200-209:




%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+The first "computer manual"?+' 

* [[Morland 1672|1672: Morland (Samuel) //A New, and most useful Instrument for Addition and Subtraction of Pounds, Shillings, Pence, and Farthings//]]


13 January 2016 by 210.84.4.97 -
Changed line 20 from:
||Attach:HenrionW100.jpg||Logarithmic Tables, and  Ready Reckoners||||
to:
||Attach:HenrionW100.jpg||Early Books, Logarithmic Tables, and  Ready Reckoners||||
Added line 22:
|| ||1668: Gaspar Schott: Organum Mathematicum Libris IX Explicandum||||
Changed lines 194-196 from:
%thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '+Logarithmic Tables, and  Ready Reckoners+'

* [[Henrion 1626|1626: Dennis Henrion: //Traicté de logarithmes//]]
to:
%thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '+Early Books, Logarithmic Tables, and  Ready Reckoners+'

* [[Henrion 1626|1626: Dennis Henrion: //Traicté de logarithmes//]]

* [[Schott 1168|1668: Gaspar Schott: Organum Mathematicum Libris IX Explicandum]]
29 October 2015 by 121.219.248.191 -
Changed line 167 from:
* [[CuneiformReceipt|2100-2000 BC: Ur III Old Akkadian Receipt of goods]]
to:
* [[CuneiformReceipt|2100-2000 BC: Ur III Neo Sumerian Receipt of goods]]
29 October 2015 by 121.219.248.191 -
Changed line 9 from:
|| ||2100-2000 BC: Ur III Old Akkadian Receipt of goods||
to:
|| ||2100-2000 BC: Ur III Neo Sumerian Receipt of goods||
26 October 2015 by 137.147.46.24 -
Changed line 9 from:
|| ||2100-2000 BC: Old Akkadian Receipt of goods||
to:
|| ||2100-2000 BC: Ur III Old Akkadian Receipt of goods||
Changed line 167 from:
*[[CuneiformReceipt||2100-2000 BC: Old Akkadian Receipt of goods]]
to:
* [[CuneiformReceipt|2100-2000 BC: Ur III Old Akkadian Receipt of goods]]
26 October 2015 by 137.147.46.24 -
Added line 9:
|| ||2100-2000 BC: Old Akkadian Receipt of goods||
Added lines 166-167:

*[[CuneiformReceipt||2100-2000 BC: Old Akkadian Receipt of goods]]
23 September 2015 by 203.166.230.29 -
Added line 77:
|| ||~1910 Seidel & Naumann Adding Machine||
Added lines 290-291:

* [[Seidel&Naumann 1910|~1910 Seidel & Naumann Adding Machine]]
16 September 2015 by 203.166.230.29 -
Changed line 409 from:
%thumb% http://metastudies.net/pmwiki/uploads/BolleeClip.jpg '+Ephemerae+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/BolleeClip.jpg '+Ephemera+'
21 July 2015 by 124.170.49.207 -
Changed line 306 from:
* [[O.J. Adder 1952|~1952: O.J. Adder]]
to:
* [[OJ Adder 1952|~1952: O.J. Adder]]
21 July 2015 by 124.170.49.207 -
Added line 85:
|| ||~1952: O.J. Adder||
Added lines 305-306:

* [[O.J. Adder 1952|~1952: O.J. Adder]]
30 June 2015 by 114.198.111.24 -
Added line 72:
|| ||1889 model Web Adder serial 3220||
Changed line 279 from:
* [[Webb 1869|1889 model Web Adder serial 3220]]
to:
* [[Webb 1889|1889 model Web Adder serial 3220]]
30 June 2015 by 114.198.111.24 -
Added lines 277-278:

* [[Webb 1869|1889 model Web Adder serial 3220]]
30 June 2015 by 114.198.111.24 -
Added line 81:
|| ||~1930: Quixsum model C imperial feet, inches and fractions Adding Machine||
30 June 2015 by 114.198.111.24 -
Changed line 121 from:
||Attach:Curta1-1948W100.jpg||Curta Calculators||
to:
||Attach:Curta1-1948W100.jpg||Curta and Alpina miniaturised step-drum calculators||
Changed lines 124-125 from:
|| ||1963: Curta Type II calculator with Leather Case,  serial 554765
to:
|| ||1963: Curta Type II calculator with Leather Case,  serial 554765||
|| ||1961: Alpina miniaturised calculator, mint condition, with original case, serial 5944||
30 June 2015 by 114.198.111.24 -
Changed lines 373-377 from:
* [[Curta-1-1948|~July 1948: CURTA Type 1 (pin sliders) earliest model calculator, serial 5424]]

* [[Curta-1-1967|1967: CURTA Type I calculator, near mint, with original case, cardboard box and instructions, serial 76436]]

* [[Curta-2-1963|1963: CURTA Type II calculator with Leather Case,  serial 554765]]
to:
* [[Curta-1-1948|~July 1948: Curta Type 1 (pin sliders) earliest model calculator, serial 5424]]

* [[Curta-1-1967|1967: Curta Type I calculator, near mint, with original case, cardboard box and instructions, serial 76436]]

* [[Curta-2-1963|1963: Curta Type II calculator with Leather Case,  serial 554765]]
30 June 2015 by 114.198.111.24 -
Changed lines 122-124 from:
|| ||~July 1948: CURTA Type 1 (pin sliders) earliest model calculator serial 5424||
|| ||1967: CURTA Type I calculator serial 76436, near mint, with original case, cardboard box and instructions||
|| ||1963: CURTA Type II calculator with Leather Case,  serial 554765
to:
|| ||~July 1948: Curta Type 1 (pin sliders) earliest model calculator serial 5424||
|| ||1967: Curta Type I calculator serial 76436, near mint, with original case, cardboard box and instructions||
|| ||1963: Curta Type II calculator with Leather Case,  serial 554765
26 December 2014 by 124.148.164.210 -
Changed line 294 from:
* [[Quixsum 1924|~1924: Quixsum model C imperial feet, inches and fractions Adding Machine]]
to:
* [[Quixsum 1930|~1930: Quixsum model C imperial feet, inches and fractions Adding Machine]]
26 December 2014 by 124.148.164.210 -
Changed line 379 from:
* [[Alpina-1961|1961: Alpina miniaturised calculator, near mint, with original case, serial 5944]]
to:
* [[Alpina-1961|1961: Alpina miniaturised calculator, mint condition, with original case, serial 5944]]
26 December 2014 by 124.148.164.210 -
Changed line 294 from:
* [[Quixsum 1924|1924: Quixsum model C imperial feet, inches and fractions Adding Machine]]
to:
* [[Quixsum 1924|~1924: Quixsum model C imperial feet, inches and fractions Adding Machine]]
26 December 2014 by 124.148.164.210 -
Added lines 293-294:

* [[Quixsum 1924|1924: Quixsum model C imperial feet, inches and fractions Adding Machine]]
26 December 2014 by 124.148.164.210 -
Changed line 377 from:
* [[Alpina-1961|1961:Alpina miniaturised calculator, near mint, with original case, serial 5944]]
to:
* [[Alpina-1961|1961: Alpina miniaturised calculator, near mint, with original case, serial 5944]]
26 December 2014 by 124.148.164.210 -
Deleted lines 370-371:
* [[Alpina-1961|1961:Alpina miniaturised calculator, near mint, with original case, serial 5944]]
Added lines 376-378:

* [[Alpina-1961|1961:Alpina miniaturised calculator, near mint, with original case, serial 5944]]

26 December 2014 by 124.148.164.210 -
Changed lines 369-371 from:
%thumb% http://metastudies.net/pmwiki/uploads/Curta1-1948.png '+The Curta and Alpina step-drum Calculators+'

* [[Alpina-1961|1961:Alpina, near mint, with original case, serial 5944
to:
%thumb% http://metastudies.net/pmwiki/uploads/Curta1-1948.png '+The Curta and Alpina miniaturised step-drum calculators+'

* [[Alpina-1961|1961:Alpina miniaturised calculator, near mint, with original case, serial 5944]]
26 December 2014 by 124.148.164.210 -
Changed lines 369-373 from:
%thumb% http://metastudies.net/pmwiki/uploads/Curta1-1948.png '+Curta Calculators+'

* [[Curta-1-1948|~July 1948: CURTA Type 1 (pin sliders) earliest model calculator serial 5424]]

* [[Curta-
1-1967|1967: CURTA Type I calculator serial 76436, near mint, with original case, cardboard box and instructions]]
to:
%thumb% http://metastudies.net/pmwiki/uploads/Curta1-1948.png '+The Curta and Alpina step-drum Calculators+'

* [[Alpina-1961|1961:Alpina, near mint, with original case, serial 5944

* [[Curta-1-1948|~July 1948: CURTA Type
1 (pin sliders) earliest model calculator, serial 5424]]

* [[Curta-1-1967|1967: CURTA Type I calculator
, near mint, with original case, cardboard box and instructions, serial 76436]]
21 December 2014 by 58.6.224.202 -
17 December 2014 by 125.209.157.104 -
Added lines 348-349:

* [[Facit 1950|1950: Facit Model LX Calculator serial 105478]]
29 October 2014 by 203.206.47.149 -
Changed line 30 from:
|| ||1849: Circular interest reckoner by L. Brooks, Great Falls, N.H. USA)||
to:
|| ||1849: Circular interest reckoner by L. Brooks, Great Falls, N.H. USA||
Changed line 200 from:
* [[LBrooks 1849|1849: Circular interest reckoner by L. Brooks, Great Falls, N.H. USA)]]
to:
* [[LBrooks 1849|1849: Circular interest reckoner by L. Brooks, Great Falls, N.H. USA]]
27 October 2014 by 203.206.47.149 -
Added line 29:
|| ||1793: Pietr Holm "Tobacco Box" for determining ship's speed, and perpetual calendar||
Added lines 197-198:

* [[Holm 1793|1793: Pietr Holm "Tobacco Box" for determining ship's speed, and perpetual calendar]]
14 October 2014 by 203.206.47.149 -
Changed line 29 from:
|| ||1849: Circular interest slide reckoner by L. Brooks, Great Falls, N.H. USA)||
to:
|| ||1849: Circular interest reckoner by L. Brooks, Great Falls, N.H. USA)||
Changed line 197 from:
* [[LBrooks 1849|1849: Circular interest slide reckoner by L. Brooks, Great Falls, N.H. USA)]]
to:
* [[LBrooks 1849|1849: Circular interest reckoner by L. Brooks, Great Falls, N.H. USA)]]
14 October 2014 by 203.206.47.149 -
Added line 31:
|| || ||
14 October 2014 by 203.206.47.149 -
Changed lines 28-30 from:
|| ||1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris||1849: Circular interest slide reckoner by L. Brooks, Great Falls, N.H. USA)||1856: Cylindrical multiplication reckoner by J.B. Morill||
to:
|| ||1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris||
|| ||1849:
Circular interest slide reckoner by L. Brooks, Great Falls, N.H. USA)||
||
||1856: Cylindrical multiplication reckoner by J.B. Morill||
14 October 2014 by 203.206.47.149 -
Changed lines 28-29 from:
|| ||1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris
||1849: Circular interest slide reckoner by L. Brooks, Great Falls, N.H. USA)||1856: Cylindrical multiplication reckoner by J.B. Morill||
to:
|| ||1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris||1849: Circular interest slide reckoner by L. Brooks, Great Falls, N.H. USA)||1856: Cylindrical multiplication reckoner by J.B. Morill||
14 October 2014 by 203.206.47.149 -
Added lines 27-29:
||Attach:ConvertiseurW100.jpg||Conversion and Reckoner Devices||
|| ||1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris
||1849: Circular interest slide reckoner by L. Brooks, Great Falls, N.H. USA)||1856: Cylindrical multiplication reckoner by J.B. Morill||
Deleted lines 35-37:
|| || ||
||Attach:ConvertiseurW100.jpg||Conversion Devices||
|| ||1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris
14 October 2014 by 203.206.47.149 -
Changed line 195 from:
* [[L. Brooks 1849|1849: Circular interest slide reckoner by L. Brooks, Great Falls, N.H. USA)]]
to:
* [[LBrooks 1849|1849: Circular interest slide reckoner by L. Brooks, Great Falls, N.H. USA)]]
12 October 2014 by 203.206.47.149 -
Added lines 177-181:
%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+The first "computer manual"?+' 

* [[Morland 1672|1672: Morland (Samuel) //A New, and most useful Instrument for Addition and Subtraction of Pounds, Shillings, Pence, and Farthings//]]

Deleted lines 198-202:


%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+The first "computer manual"?+' 

* [[Morland 1672|1672: Morland (Samuel) //A New, and most useful Instrument for Addition and Subtraction of Pounds, Shillings, Pence, and Farthings//]]
12 October 2014 by 203.206.47.149 -
Added lines 186-195:
%thumb% http://metastudies.net/pmwiki/uploads/Convertiseur.png '+Conversion and Reckoner Devices+'

* [[CHAIX 1790|1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris]]

* [[L. Brooks 1849|1849: Circular interest slide reckoner by L. Brooks, Great Falls, N.H. USA)]]

* [[JB Morill 1856|1856: Cylindrical multiplication reckoner by J.B. Morill]]


Deleted lines 211-217:
%thumb% http://metastudies.net/pmwiki/uploads/Convertiseur.png '+Conversion and Reckoner Devices+'

* [[CHAIX 1790|1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris]]

* [[L. Brooks 1849|1849: Circular interest slide reckoner by L. Brooks, Great Falls, N.H. USA)]]

* [[JB Morill 1856|1856: Cylindrical multiplication reckoner by J.B. Morill]]
12 October 2014 by 203.206.47.149 -
Changed lines 202-203 from:
%thumb% http://metastudies.net/pmwiki/uploads/Convertiseur.png '+Conversion and Multiplication Tabular Devices+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Convertiseur.png '+Conversion and Reckoner Devices+'
Changed lines 206-208 from:
* [[L. Brooks 1849|1849: Circular interest tabular calculator by L. Brooks, Great Falls, N.H. USA)]]

* [[JB Morill 1856|1856: Cylindrical multiplication tabular device by J.B. Morill]]
to:
* [[L. Brooks 1849|1849: Circular interest slide reckoner by L. Brooks, Great Falls, N.H. USA)]]

* [[JB Morill 1856|1856: Cylindrical multiplication reckoner by J.B. Morill]]
12 October 2014 by 203.206.47.149 -
Changed line 206 from:
* [[L. Brooks 1849|1849: Circular interest tabular calculator by L. Brooks, Great Falls, N.H. USA)
to:
* [[L. Brooks 1849|1849: Circular interest tabular calculator by L. Brooks, Great Falls, N.H. USA)]]
12 October 2014 by 203.206.47.149 -
Changed lines 202-203 from:
%thumb% http://metastudies.net/pmwiki/uploads/Convertiseur.png '+Conversion Devices+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Convertiseur.png '+Conversion and Multiplication Tabular Devices+'
Added lines 205-208:

* [[L. Brooks 1849|1849: Circular interest tabular calculator by L. Brooks, Great Falls, N.H. USA)

* [[JB Morill 1856|1856: Cylindrical multiplication tabular device by J.B. Morill]]
19 July 2014 by Jim Falk -
Changed lines 129-130 from:
|| ||December 1973: Hewlett Packard HP 45 Calculator serial 1350A 36719, 1973
to:
|| ||December 1973: Hewlett Packard HP 45 Calculator serial 1350A 36719, 1973||
|| ||August 1973: Hewlett Packard HP 65 Calculator serial 1333A 06752, 1973||
18 July 2014 by Jim Falk -
18 July 2014 by Jim Falk -
Added lines 375-376:

* [[HP-65-1973|August 1973: Hewlett Packard HP 65 Calculator serial 1333A 06752, 1973]]
17 July 2014 by Jim Falk -
Changed line 24 from:
||Attach:Morland2W100.jpg||First "computer manuals"||
to:
||Attach:Morland2W100.jpg||The first "computer manual"?||
Deleted line 25:
|| ||1727: Leupold (Jacob)//Theatrum arithmetico geometricum, das ist: Schau-Platz der Rechen- und Mess-Kunst. . . . //
13 July 2014 by Jim Falk -
Changed lines 186-187 from:
%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+First "computer manuals"+' 
to:
%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+The first "computer manual"?+' 
Deleted lines 188-190:

* [[ Jacob Leupold 1727|1727: Leupold (Jacob) //Theatrum arithmetico geometricum, das ist: Schau-Platz der Rechen- und Mess-Kunst. . . . //]]

13 July 2014 by Jim Falk -
13 July 2014 by Jim Falk -
Changed line 24 from:
||Attach:Morland2W100.jpg||First "computer manuals"?||
to:
||Attach:Morland2W100.jpg||First "computer manuals"||
Changed line 186 from:
%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+First "computer manuals"?+' 
to:
%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+First "computer manuals"+' 
13 July 2014 by Jim Falk -
Changed line 24 from:
||Attach:Morland2W100.jpg||The first "computer manuals"?||
to:
||Attach:Morland2W100.jpg||First "computer manuals"?||
Changed line 186 from:
%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+The first "computer manuals"?+' 
to:
%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+First "computer manuals"?+' 
13 July 2014 by Jim Falk -
Added line 189:
13 July 2014 by Jim Falk -
Changed line 26 from:
|| ||1727:Leupold (Jacob)//Theatrum arithmetico geometricum, das ist: Schau-Platz der Rechen- und Mess-Kunst. . . . //
to:
|| ||1727: Leupold (Jacob)//Theatrum arithmetico geometricum, das ist: Schau-Platz der Rechen- und Mess-Kunst. . . . //
13 July 2014 by Jim Falk -
Changed line 24 from:
||Attach:Morland2W100.jpg||The first "computer manual"?||
to:
||Attach:Morland2W100.jpg||The first "computer manuals"?||
Added line 26:
|| ||1727:Leupold (Jacob)//Theatrum arithmetico geometricum, das ist: Schau-Platz der Rechen- und Mess-Kunst. . . . //
Changed lines 186-187 from:
%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+The first "computer manual"?+' 
to:
%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+The first "computer manuals"?+' 
Added line 189:
* [[ Jacob Leupold 1727|1727: Leupold (Jacob) //Theatrum arithmetico geometricum, das ist: Schau-Platz der Rechen- und Mess-Kunst. . . . //]]
12 July 2014 by Jim Falk -
11 July 2014 by Jim Falk -
Added line 89:
|| ||~1909: Kuli Calculator, serial 1192||
Added lines 302-303:

* [[Kuli ~1909|~1909: Kuli Calculator, serial 1192]]
16 June 2014 by Jim Falk -
Changed line 71 from:
|| ||1908-15: The Standard Desk Calcumeter||
to:
|| ||~1912: The Standard Desk Calcumeter||
Changed line 267 from:
* [[1908 Calcumeter|1908-15: The Standard Desk Calcumeter]]
to:
* [[1908 Calcumeter|~1912: The Standard Desk Calcumeter]]
13 June 2014 by Jim Falk -
Changed line 267 from:
*[[1908 Calcumeter|1908-15: The Standard Desk Calcumeter]]
to:
* [[1908 Calcumeter|1908-15: The Standard Desk Calcumeter]]
13 June 2014 by Jim Falk -
Added line 71:
|| ||1908-15: The Standard Desk Calcumeter||
Added lines 266-267:

*[[1908 Calcumeter|1908-15: The Standard Desk Calcumeter]]
26 May 2014 by Jim Falk -
Changed line 87 from:
|| ||~1908: Adder, serial 1306||
to:
|| ||~1908: The Adder, serial 1306||
Changed line 297 from:
* [[Adder ~1908|~1908: Adder, serial 1306]]
to:
* [[Adder ~1908|~1908: The Adder, serial 1306]]
26 May 2014 by Jim Falk -
Added line 87:
|| ||~1908: Adder, serial 1306||
Added lines 296-297:

* [[Adder ~1908|~1908: Adder, serial 1306]]
12 May 2014 by Jim Falk -
Changed line 160 from:
* [[Astralagus|100-200: Ancient Roman bronze astragalus (gaming knucklebone)]]
to:
* [[Astragalus|100-200: Ancient Roman bronze astragalus (gaming knucklebone)]]
12 May 2014 by Jim Falk -
Changed line 160 from:
* [[Astragalus|100-200: Ancient Roman bronze astralagus (gaming knucklebone)]]
to:
* [[Astralagus|100-200: Ancient Roman bronze astragalus (gaming knucklebone)]]
12 May 2014 by Jim Falk -
Changed line 12 from:
|| ||100-200: Ancient Roman bronze astralagus (gaming knucklebone)||
to:
|| ||100-200: Ancient Roman bronze astragalus (gaming knucklebone)||
Changed line 160 from:
* [[Astralagus|100-200: Ancient Roman bronze astralagus (gaming knucklebone)]]
to:
* [[Astragalus|100-200: Ancient Roman bronze astralagus (gaming knucklebone)]]
12 May 2014 by Jim Falk -
12 May 2014 by Jim Falk -
Added line 12:
|| ||100-200: Ancient Roman bronze astralagus (gaming knucklebone)||
Added lines 159-160:

* [[Astralagus|100-200: Ancient Roman bronze astralagus (gaming knucklebone)]]
06 May 2014 by Jim Falk -
Changed line 11 from:
|| ||000-300: Three dice from Ancient Rome||
to:
|| ||000-300: Three Ancient Roman dice||
06 May 2014 by Jim Falk -
Changed line 11 from:
|| ||000-300: Three Ancient Roman dice||
to:
|| ||000-300: Three dice from Ancient Rome||
05 May 2014 by Jim Falk -
Changed line 11 from:
|| ||000-300 AD: Three Ancient Roman dice||
to:
|| ||000-300: Three Ancient Roman dice||
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* [[Dice|000-300 AD: Three Ancient Roman dice]]
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* [[Dice|000-300: Three Ancient Roman dice]]
05 May 2014 by Jim Falk -
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|| ||000-300 AD: Three Ancient Roman Dice||
to:
|| ||000-300 AD: Three Ancient Roman dice||
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* [[Dice|000-300 AD: Three Ancient Roman Dice]]
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* [[Dice|000-300 AD: Three Ancient Roman dice]]
05 May 2014 by Jim Falk -
05 May 2014 by Jim Falk -
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* [[Dice||000-300 AD: Three Ancient Roman Dice]]
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* [[Dice|000-300 AD: Three Ancient Roman Dice]]
05 May 2014 by Jim Falk -
Added line 11:
|| ||000-300 AD: Three Ancient Roman Dice||
Added lines 156-157:

* [[Dice||000-300 AD: Three Ancient Roman Dice]]
28 April 2014 by Jim Falk -
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||align=left cellpadding=0 border=0 tableclass=long id=collectionCalculant"Objects in collection Calculant"
to:
||align=left cellpadding=0 border=0 class=long id=collectionCalculant"Objects in collection Calculant"
27 April 2014 by Jim Falk -
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27 April 2014 by Jim Falk -
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12 April 2014 by 203.206.103.138 -
12 April 2014 by 203.206.103.138 -
12 April 2014 by 203.206.103.138 -
12 April 2014 by 203.206.103.138 -
Changed line 4 from:
The following objects form "collection Calculant".  They are described in context in the text.
to:
The following objects form "collection Calculant".  They are described in context in the text. 
11 April 2014 by 203.206.103.138 -
Changed line 235 from:
* [[Calculimètre Charpentier 1881|~1881: Charpentier Calculimètre  circular slide rule]]
to:
* [[Calculim Charpentier 1881|~1881: Charpentier Calculimètre  circular slide rule]]
27 March 2014 by 1800 -
Changed line 77 from:
|| ||1968: SEE Demonstration Adding Machine
to:
|| ||1968: SEE Demonstration Adding Machine||
Changed lines 81-82 from:
||Attach:AdixW100.jpg||Keyboard Adding Machines||
|| ||1903: Adix Adding Machine. Original model
to:
||Attach:SpaldingW100.jpg||Keyboard Adding Machines||
|| ||1884: Spalding Adding Machine, serial 494||
|| ||1891: The Centigraph Adding Machine, serial 1523||
|| ||1903: Adix Adding Machine. Original model||
26 March 2014 by 1800 -
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%thumb% http://metastudies.net/pmwiki/uploads/SpaldingW800 '+Keyboard Adding Machines+'
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26 March 2014 by 1800 -
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26 March 2014 by 1800 -
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* [[Spalding 1884:1884: Spalding Adding Machine, serial 494]]
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* [[Spalding 1884|1884: Spalding Adding Machine, serial 494]]
26 March 2014 by 1800 -
Added lines 281-284:

* [[Spalding 1884:1884: Spalding Adding Machine, serial 494]]

* [[Centigraph 1891|1891: The Centigraph Adding Machine, serial 1523]]
26 March 2014 by 1800 -
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|| ||~1652’: Blaise Pascal’s “Pascaline” - replica based on surviving examples||
to:
|| ||'~1652': Blaise Pascal's "Pascaline" - replica based on surviving examples||
21 March 2014 by 1800 -
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* [[Abacus|Abacus (Chinese, modern construction)]]
to:
* [[Abacus|Abacus (Chinese, recent construction)]]
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* [[Napier's Bones 1617|'1617': "Napier's bones" - modern construction]]
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* [[Napier's Bones 1617|'1617': "Napier's bones" (recent construction)]]
21 March 2014 by 1800 -
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|| ||Abacus (Chinese, modern construction)||
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|| ||Abacus (Chinese, recent construction)||
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|| ||'1617': "Napier's bones" - modern construction||
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|| ||'1617': "Napier's bones" (recent construction)||
20 March 2014 by 1800 -
20 March 2014 by 1800 -
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* [[Abacus|Abacus (Chinese, contemporary)]]
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* [[Abacus|Abacus (Chinese, modern construction)]]
20 March 2014 by 1800 -
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|| ||Abacus (Chinese, contemporary)||
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|| ||Abacus (Chinese, modern construction)||
20 March 2014 by 1800 -
Added lines 157-158:

* [[Napier's Bones 1617|'1617': "Napier's bones" - modern construction]]
19 March 2014 by 1800 -
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||Attach:Schickard1W100.jpg||First Devices||||
19 March 2014 by 1800 -
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19 March 2014 by 1800 -
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|| ||'1617: "Napier's bones" - modern replica||
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|| ||'1617': "Napier's bones" - modern construction||
19 March 2014 by 1800 -
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|| ||'1617: "Napier's bones" - modern replica||
18 March 2014 by 1800 -
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18 March 2014 by 1800 -
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\\\\
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\\\\
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//
//
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______
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(:tableend:)
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18 March 2014 by 1800 -
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(:ifend:)
18 March 2014 by 1800 -
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|| |‘~1652’: Blaise Pascal’s “Pascaline” - replica based on surviving examples||
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|| ||‘~1652’: Blaise Pascal’s “Pascaline” - replica based on surviving examples||
18 March 2014 by 1800 -
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||||First Devices||||
to:
||Attach:Schickard1W100.jpg||First Devices||||
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|| ||'1623': Schickard's "Calculating Clock"  - reconstruction from surviving manuscript||
to:
|| |‘~1652’: Blaise Pascal’s “Pascaline” - replica based on surviving examples||
18 March 2014 by 1800 -
Changed lines 9-11 from:
|| ||~1894-1595 BC: Old Babylonian//tag with cuneiform numeric and alphabetic characters//||
|| || ||Abacus (Chinese, contemporary)||
|| || 1480-1520: French Jeton, Late Medieval||
to:
|| ||~1894-1595 BC: Old Babylonian tag with cuneiform numeric and alphabetic characters||
|| ||Abacus (Chinese, contemporary)||
|| ||1480-1520: French Jeton, Late Medieval||
Changed lines 13-14 from:
|| ||'1623': Schickard's "Calculating Clock"\\- reconstruction from surviving manuscript||
|| ||'1623': Schickard's "Calculating Clock"\\ - reconstruction from surviving manuscript||
to:
|| ||'1623': Schickard's "Calculating Clock" - reconstruction from surviving manuscript||
|| ||'1623': Schickard's "Calculating Clock"  - reconstruction from surviving manuscript||
18 March 2014 by 1800 -
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18 March 2014 by 1800 -
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||Attach
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||Attach:Schickard1.jpg||First Devices||||
Added lines 10-14:
|| || ||Abacus (Chinese, contemporary)||
|| || 1480-1520: French Jeton, Late Medieval||
|| ||1577: Calculi Ordinum Belgii, "Port Salu"||
|| ||'1623': Schickard's "Calculating Clock"\\- reconstruction from surviving manuscript||
|| ||'1623': Schickard's "Calculating Clock"\\ - reconstruction from surviving manuscript||
18 March 2014 by 1800 -
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||Attach
|| ||~1894-1595 BC: Old Babylonian//tag with cuneiform numeric and alphabetic characters//||
|| || ||
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* [[CuneiformTag|~1894 BCE - ~1595 BCE: Old Babylonian tag with cuneiform numeric and alphabetic characters]]
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* [[CuneiformTag|~1894 BC - ~1595 BC: Old Babylonian tag with cuneiform numeric and alphabetic characters]]
16 March 2014 by 1800 -
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* [[Lightning booklet 2|1873-1928: Booklet on “How to Become a Lightning Calculator”, No. 2]]
to:
* [[Lightning booklet 2|1895: Booklet on “How to Become a Lightning Calculator”, No. 2]]
13 March 2014 by 1800 -
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For photos of these objects click the [[Site.ObjectsGallery|photo gallery]].
to:
For photos of these objects click the [[Site.ObjectsGallery|photo gallery]].  For their story in context click [[Site.Part1BeforeTheModernEpoch|here]].
12 March 2014 by 1800 -
12 March 2014 by 1800 -
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The following objects form "collection Calculant".  They are described in context in the text.  For photos click the [[Site.ObjectsGallery|photo gallery]].

to:
The following objects form "collection Calculant".  They are described in context in the text.

Added lines 135-136:

For photos of these objects click the [[Site.ObjectsGallery|photo gallery]].
12 March 2014 by 1800 -
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The following objects form "collection Calculant".  They are described in context in the text.  For photos click the [[ite.ObjectsGallery|photo gallery]].
to:
The following objects form "collection Calculant".  They are described in context in the text.  For photos click the [[Site.ObjectsGallery|photo gallery]].
12 March 2014 by 1800 -
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The following objects form "collection Calculant".  They are described in context in the text.
to:
The following objects form "collection Calculant".  They are described in context in the text.  For photos click the [[ite.ObjectsGallery|photo gallery]].
11 March 2014 by 1800 -
11 March 2014 by 128.250.0.5 -
09 March 2014 by 124.168.111.64 -
09 March 2014 by 124.168.111.64 -
09 March 2014 by 124.168.111.64 -
Changed lines 123-126 from:
|| ||Comptometer Manual 1921|1921: Felt and Tarrant Comptometer Manual||
|| ||Monro 1937|1937: Advertisement for Monroe Calculators featuring Marching numbers||
|| ||HP-Scientific American 1973|1973: "HP Measurement/Computation:changing things for the better", //Scientific American//, July 1973, pp. 6-7. Original print article. Two full page advertisement for the HP-35, HP-45 and HP-46 scientific calculators.||
|| ||A Calculator Chronicle 1990|1990: "A Calculator Chronicle: 300 Years of Counting and Reckoning Tools", 1 January 1990.||
to:
|| ||1921: Felt and Tarrant Comptometer Manual||
|| ||1937: Advertisement for Monroe Calculators featuring Marching numbers||
|| ||1973: "HP Measurement/Computation:changing things for the better", //Scientific American//, July 1973, pp. 6-7. Original print article. Two full page advertisement for the HP-35, HP-45 and HP-46 scientific calculators.||
|| ||1990: "A Calculator Chronicle: 300 Years of Counting and Reckoning Tools", 1 January 1990.||
09 March 2014 by 124.168.111.64 -
09 March 2014 by 124.168.111.64 -
Added line 126:
|| ||A Calculator Chronicle 1990|1990: "A Calculator Chronicle: 300 Years of Counting and Reckoning Tools", 1 January 1990.||
08 March 2014 by 124.168.111.64 -
08 March 2014 by 124.168.111.64 -
Changed line 367 from:
* [[A Calculator Chronicle 1990|"A Calculator Chronicle: 300 Years of Counting and Reckoning Tools", from the exhibition at the IBM Gallery of Science and Art, Madison Avenue, 56th Street, New York City", 1 January 1990]]
to:
* [[A Calculator Chronicle 1990|1990: "A Calculator Chronicle: 300 Years of Counting and Reckoning Tools", from the exhibition at the IBM Gallery of Science and Art, Madison Avenue, 56th Street, New York City", 1 January 1990]]
08 March 2014 by 124.168.111.64 -
Added lines 366-367:

* [[A Calculator Chronicle 1990|"A Calculator Chronicle: 300 Years of Counting and Reckoning Tools", from the exhibition at the IBM Gallery of Science and Art, Madison Avenue, 56th Street, New York City", 1 January 1990]]
08 March 2014 by 124.168.111.64 -
Added line 64:
|| ||~1920: Addo mod 2 adder, serial 2797||
Added lines 70-71:
||Attach:ContoW100.jpg ||Rotating Knob Operated Adders||
|| || ||
Added lines 250-251:

* [[Addo 1920|~1920: Addo mod 2 adder, serial 2797]]
08 March 2014 by 124.168.111.64 -
Added lines 255-258:

%thumb% http://metastudies.net/pmwiki/uploads/Conto.jpg  '+Rotating knob operated Adders+'

* [[Conto 1922|1922: Conto Model C, serial 2175 Adding Machine]]
12 October 2013 by 124.148.131.118 -
Changed line 135 from:
* [[CuneiformTag|~1894 BCE - ~1595 BCE: Babylonian Cuneiform Numbers & Writing]]
to:
* [[CuneiformTag|~1894 BCE - ~1595 BCE: Old Babylonian tag with cuneiform numeric and alphabetic characters]]
12 October 2013 by 124.148.131.118 -
Changed line 135 from:
* [[CuneiformTablet|1894 BCE - 1595 BCE: Babylonian Numbers & Writing]]
to:
* [[CuneiformTag|~1894 BCE - ~1595 BCE: Babylonian Cuneiform Numbers & Writing]]
12 October 2013 by 124.148.131.118 -
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* [[CuneiformTablet|1894-1595 BCE: Babylonian Numbers & Writing]]
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* [[CuneiformTablet|1894 BCE - 1595 BCE: Babylonian Numbers & Writing]]
12 October 2013 by 124.148.131.118 -
Added lines 134-135:

* [[CuneiformTablet|1894-1595 BCE: Babylonian Numbers & Writing]]
11 August 2013 by 203.166.245.137 -
Changed line 11 from:
|||1892: //Ropp's Commercial Calculator Book//, World's Fair Edition
to:
|| ||1892: //Ropp's Commercial Calculator Book//, World's Fair Edition||
11 August 2013 by 203.166.245.137 -
Deleted line 11:
||Attach:Morland2W100.jpg||**The first "computer manual"?**||
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||Attach:Morland2W100.jpg||The first "computer manual"?||
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______
to:
|| || ||
11 August 2013 by 203.166.245.137 -
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||Attach:HenrionW100.jpg||**Logarithmic Tables, and  Ready Reckoners**||||
to:
||Attach:HenrionW100.jpg||Logarithmic Tables, and  Ready Reckoners||||
Added line 13:
|| || ||
11 August 2013 by 203.166.245.137 -
Changed line 8 from:
||Attach:HenrionW100.jpg||Logarithmic Tables, and  Ready Reckoners ||||
to:
||Attach:HenrionW100.jpg||**Logarithmic Tables, and  Ready Reckoners**||||
Changed line 12 from:
||Attach:Morland2W100.jpg||The first "computer manual"?||
to:
||Attach:Morland2W100.jpg||**The first "computer manual"?**||
11 August 2013 by 203.166.245.137 -
Changed lines 7-240 from:
{=Attach:Schickard1W100.jpg=}**First Devices**

* Abacus (Chinese, contemporary)

* 1480-1520: French Jeton, Late Medieval

* 1577: Calculi Ordinum Belgii, "Port Salu"

* '1623': Schickard's "Calculating Clock" - reconstruction from surviving manuscript

* '~1652': Blaise Pascal's "Pascaline" - replica based on surviving examples


{=Attach:HenrionW100.jpg=}**Logarithmic Tables, and  Ready Reckoners**

* 1626: Dennis Henrion: //Traicté de logarithmes//

* 1783: //Tables Portatives de Logarithmes, by Gardiner improved and perfected in their disposition by M. Callet//

* 1892: //Ropp's Commercial Calculator Book//, World's Fair Edition


{=Attach:Morland2W100.jpg=}**The first "computer manual"?** 

* 1672: Morland (Samuel) //A New, and most useful Instrument for Addition and Subtraction of Pounds, Shillings, Pence, and Farthings//

\\

\\


{=Attach:ButterfieldSectorW100.jpg=}**Sectors and Dividers**

* 1675-1715: Brass French Gunnery Sector by Michael Butterfield, Paris

* ~1830: Oxbone Architect's Sector by T. and H. Doublett, London

* ~1740-1810: 2 Pairs of Dividers - made in England

* ~1750-1800 Early print of drawings of Dividers and other Instruments by T. Jefferys

* ~1880 Set of Proportional Dividers and other Mathematical Drawing Instruments by Henri Morin, Paris


{=Attach:ConvertiseurW100.jpg=}**Conversion Devices**

* 1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris

\\

\\


{=Attach:GunterRule2W100.jpg=}**Gunter's Proportional Rule**

* 1626: Design of a Logarithmic Proportional Rule (following Gunter 1624)

* 1831-1843: Gunter rule for navigation by Belcher and Bros, New York, New York

\\

\\


{=Attach:EverardW100.jpg=}**Slide Rules**

* 1727: Designs of 3 Logarithmic Rules 1626-1726 (as described by Jacob Leupold 1727)

* 1759-69: Edward Roberts Everard Pattern Gauger's Slide Rule

* 1821-84: Joseph Long, London, Alcohol Proof Index Slide Rule

* 1893-8: Tavernier-Gravet, Slide Rule, cursor inscribed as presented in 1898

* ~1928: Keuffel & Esser 4088-3 serial 348119 Slide Rule

* ~1948: Lawrence 10-G Cutting Speed Calculator

* 1967-73: Faber Castell 2/83N Novo Duplex slide rule


{=Attach:ThacherW100.jpg=}**Cylindrical Slide Rules**

* 1911: Thacher's Calculating Instrument, No. 4012 by Keuffel & Esser

* 1926: Professor Fuller’s Fuller Cylindrical Slide Rule Model 2 No. 5706

* ~1960: Otis King Rotary Slide Rule, Type L C, serial T6205, scales 429 and 430


{=Attach:CharpentierW100.jpg=}**Circular Slide Rules**

* 1847: Palmer's Computing Scale and Fuller's Time Telegraph, issue 4

* ~1881: Charpentier Calculimètre  circular slide rule

* ~1935: Supremathic Circular slide rule

* 1948: Fowler Long Scale Jubilee Magnum extra long scale calculator Fowler's "Jubilee Magnum" Circular Slide Rule

* 1960s: KL-1 Russian Mechanical Circular Slide Rule and case


{=Attach:Bloch1W100.jpg=}**Proportional Nomographic Calculators**

* ~1924: Bloch Schnellkalkulator

* ~1947 Der Zeitermittler

\\

\\


{=Attach:WebbW100.jpg=}**Stylus or Slider operated Adders**

* 1869 model Web Patent Adder and Talley Board serial B2040

* 1890-1900: A. M. Stevenson Adder

* 1905-1911: Locke Adder

* 1910-1920s Comptator, 9 column

* ~1910 Adall Concentric-disk Adding Machine

* ~1915: Golden Gem Automatic Adding Machine, serial 73158

* 1920: Addiator Troncet adder

* 1922: Scribola 10 column printing Adding Machine

* 1937: Add-O-Matic Adding Machine

* ~1946: Lightning Portable Adding Machine

* 1968: SEE Demonstration Adding Machine


{=Attach:AdixW100.jpg=}**Keyboard Adding Machines**

* 1903: Adix Adding Machine. Original model

\\

\\

\\


{=Attach:ThomasDeColmarW100.jpg=}**Arithmometers**

* 1884: Thomas de Colmar Arithmometer Model T1878 B, serial 2083

* 1909: Ludwig Spitz & Co., G.m.b.H., Berlin-Tempelhof TIM (Time is Money) Arithmometer

* ~1913: Bunzel-Denton Arithmometer Prototype with crank moved to front

* 1917: Madas IX Maxima calculator, serial 5532


{=Attach:BambergerOmegaW100.jpg=}**True Multiplying Calculators**

* 1904-1905: Bamberger’s Omega Calculating Machine

* 1912: Millionaire Calculating Machine serial 2015 (10x10x20)


{=Attach:MercedesDemoW100.jpg=}**Proportional Rack Calculators**

* 1923: Mercedes-Euklid Model 29 Demonstration calculator

* 1923: Mercedes-Euklid Model 29 calculator

\\

\\


{=Attach:Brunsviga1896W100.jpg=} **Pinwheel Calculators**

* ~1896: Ohdner Brunsviga Schuster Calculator serial 3406

* 1945: Facit Model S Calculator serial 210652

* ~1951: Original Ohdner Model 39, Calculator serial 39-288965

* 1957: Walther Demonstration WSR160 Pinwheel Calculator

* ~1957: Walther WSR160 Pinwheel Calculator


{=Attach:ComptometerWoodieW100.jpg=} **Comptometers**

* Sept 1896: Felt and Tarrant Comptometer: Earliest - wood-cased “Woodie” model, serial 2491

* ~ 1907: Comptometer oil bottle, marked with patent 23 April 1905; 6 April 1907

* ~ 1955 Bell Punch Sumlock Demonstration Comptometer

* 1950s: Bell Sumlock Comptometer Model 909/S/117.878 (made in Great Britain by Bell Punch Company Ltd)


{=Attach:Curta1-1948W100.jpg=} **Curta Calculators**

* ~July 1948: CURTA Type 1 (pin sliders) earliest model calculator serial 5424

* 1967: CURTA Type I calculator serial 76436, near mint, with original case, cardboard box and instructions

* 1963: CURTA Type II calculator with Leather Case,  serial 554765


{=Attach:HerzstarkArithmometerW100.jpg=} **Motorised Calculating Machines**

* ~1929 "Herzstark" electric Calculating Machine serial 6549, badged by Herzstark, Vienna; essentially Badenia Model TE 13 Duplex

* 1950s-1960s: MADAS Model 20BTG serial 94046 electric calculator with true automatic division

\\



{=Attach:HP35W100.jpg=} **Electronic Calculators**

* July1972: Hewlett Packard HP 35 Calculator serial 1230A 79429, 1972 (second version)

* December 1973: Hewlett Packard HP 45 Calculator serial 1350A 36719, 1973

\\

\\

\\

to:
||align=left cellpadding=0 border=0 tableclass=long id=collectionCalculant"Objects in collection Calculant"
||Attach:HenrionW100.jpg||Logarithmic Tables, and  Ready Reckoners ||||
|| ||1626: Dennis Henrion: //Traicté de logarithmes//||
|| ||1783: //Tables Portatives de Logarithmes, by Gardiner improved and perfected in their disposition by M. Callet//||
|||1892: //Ropp's Commercial Calculator Book//, World's Fair Edition
||Attach:Morland2W100.jpg||The first "computer manual"?||
|| ||1672: Morland (Samuel) //A New, and most useful Instrument for Addition and Subtraction of Pounds, Shillings, Pence, and Farthings//
||Attach:ButterfieldSectorW100.jpg||Sectors and Dividers||
|| ||1675-1715: Brass French Gunnery Sector by Michael Butterfield, Paris||
|| ||~1830: Oxbone Architect's Sector by T. and H. Doublett, London||
|| ||~1740-1810: 2 Pairs of Dividers - made in England||
|| ||~1750-1800 Early print of drawings of Dividers and other Instruments by T. Jefferys||
|| ||~1880 Set of Proportional Dividers and other Mathematical Drawing Instruments by Henri Morin, Paris
||Attach:ConvertiseurW100.jpg||Conversion Devices||
|| ||1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris
||Attach:GunterRule2W100.jpg||Gunter's Proportional Rule||
|| ||1626: Design of a Logarithmic Proportional Rule (following Gunter 1624)||
|| ||1831-1843: Gunter rule for navigation by Belcher and Bros, New York, New York
||Attach:EverardW100.jpg||Slide Rules||
|| ||1727: Designs of 3 Logarithmic Rules 1626-1726 (as described by Jacob Leupold 1727) ||
|| ||1759-69: Edward Roberts Everard Pattern Gauger's Slide Rule||
|| ||1821-84: Joseph Long, London, Alcohol Proof Index Slide Rule||
|| ||1893-8: Tavernier-Gravet, Slide Rule, cursor inscribed as presented in 1898||
|| ||~1928: Keuffel & Esser 4088-3 serial 348119 Slide Rule||
|| ||~1948: Lawrence 10-G Cutting Speed Calculator||
|| ||1967-73: Faber Castell 2/83N Novo Duplex slide rule
||Attach:ThacherW100.jpg||Cylindrical Slide Rules||
|| ||1911: Thacher's Calculating Instrument, No. 4012 by Keuffel & Esser||
|| ||1926: Professor Fuller's Fuller Cylindrical Slide Rule Model 2 No. 5706||
|| ||~1960: Otis King Rotary Slide Rule, Type L C, serial T6205, scales 429 and 430
||Attach:CharpentierW100.jpg||Circular Slide Rules||
|| ||1847: Palmer's Computing Scale and Fuller's Time Telegraph, issue 4||
|| ||~1881: Charpentier Calculimètre  circular slide rule||
|| ||~1935: Supremathic Circular slide rule||
|| ||1948: Fowler Long Scale Jubilee Magnum extra long scale calculator Fowler's "Jubilee Magnum" Circular Slide Rule||
|| ||1960s: KL-1 Russian Mechanical Circular Slide Rule and case
||Attach:Bloch1W100.jpg||Proportional Nomographic Calculators||
|| ||~1924: Bloch Schnellkalkulator||
|| ||~1947 Der Zeitermittler
||Attach:WebbW100.jpg||Stylus or Slider operated Adders||
|| ||1869 model Web Patent Adder and Talley Board serial B2040||
|| ||1890-1900: A. M. Stevenson Adder||
|| ||1905-1911: Locke Adder||
|| ||1910-1920s Comptator, 9 column||
|| ||~1910 Adall Concentric-disk Adding Machine||
|| ||~1915: Golden Gem Automatic Adding Machine, serial 73158||
|| ||1920: Addiator Troncet adder||
|| ||1922: Scribola 10 column printing Adding Machine||
|| ||1937: Add-O-Matic Adding Machine||
|| ||~1946: Lightning Portable Adding Machine||
|| ||1968: SEE Demonstration Adding Machine
||Attach:AdixW100.jpg||Keyboard Adding Machines||
|| ||1903: Adix Adding Machine. Original model
||Attach:ThomasDeColmarW100.jpg||Arithmometers||
|| ||1884: Thomas de Colmar Arithmometer Model T1878 B, serial 2083||
|| ||1909: Ludwig Spitz & Co., G.m.b.H., Berlin-Tempelhof TIM (Time is Money) Arithmometer||
|| ||~1913: Bunzel-Denton Arithmometer Prototype with crank moved to front||
|| ||1917: Madas IX Maxima calculator, serial 5532
||Attach:BambergerOmegaW100.jpg||True Multiplying Calculators||
|| ||1904-1905: Bamberger's Omega Calculating Machine||
|| ||1912: Millionaire Calculating Machine serial 2015 (10x10x20)
||Attach:MercedesDemoW100.jpg||Proportional Rack Calculators||
|| ||1923: Mercedes-Euklid Model 29 Demonstration calculator||
|| ||1923: Mercedes-Euklid Model 29 calculator
||Attach:Brunsviga1896W100.jpg||Pinwheel Calculators||
|| ||~1896: Ohdner Brunsviga Schuster Calculator serial 3406||
|| ||1945: Facit Model S Calculator serial 210652||
|| ||~1951: Original Ohdner Model 39, Calculator serial 39-288965||
|| ||1957: Walther Demonstration WSR160 Pinwheel Calculator||
|| ||~1957: Walther WSR160 Pinwheel Calculator
||Attach:ComptometerWoodieW100.jpg||Comptometers||
|| ||Sept 1896: Felt and Tarrant Comptometer: Earliest - wood-cased "Woodie" model, serial 2491||
|| ||~ 1907: Comptometer oil bottle, marked with patent 23 April 1905; 6 April 1907||
|| ||~ 1955 Bell Punch Sumlock Demonstration Comptometer||
|| ||1950s: Bell Sumlock Comptometer Model 909/S/117.878 (made in Great Britain by Bell Punch Company Ltd)
||Attach:Curta1-1948W100.jpg||Curta Calculators||
|| ||~July 1948: CURTA Type 1 (pin sliders) earliest model calculator serial 5424||
|| ||1967: CURTA Type I calculator serial 76436, near mint, with original case, cardboard box and instructions||
|| ||1963: CURTA Type II calculator with Leather Case,  serial 554765
||Attach:HerzstarkArithmometerW100.jpg||Motorised Calculating Machines||
|| ||~1929 "Herzstark" electric Calculating Machine serial 6549, badged by Herzstark, Vienna; essentially Badenia Model TE 13 Duplex||
|| ||1950s-1960s: MADAS Model 20BTG serial 94046 electric calculator with true automatic division
||Attach:HP35W100.jpg||Electronic Calculators||
|| ||July1972: Hewlett Packard HP 35 Calculator serial 1230A 79429, 1972 (second version)||
|| ||December 1973: Hewlett Packard HP 45 Calculator serial 1350A 36719, 1973
Changed lines 93-115 from:


{=
Attach:BolleeClipW100.jpg=} **Ephemerae**

*
1759: Algebre et Arithmetique - Machine de Arithmetique de Pascal", Denis Diderot and Jean le Rond d’Alembert, //Encyclopédie ou Dictionnaire raisonné des sciences, des arts et des métiers//, First folio edition, 1759, Volume 22, Plate 2. (Hand coloured).

*
1797: Napier's Rods in "Inland Navigation", //Encyclopaedia Britannica//, 3rd Edition, 1797, plate CCCXLIV, Andrew Bell copperplate. Original print article.

*
1855: "Messrs. Scheutz's New Calculating Machine", //The Illustrated London News//, 30 June 1855, p. 661. Original print article.

*
1890: Leon Bollée Calculating Machine, "A New Calculating Machine of very General Applicability", //The Manufacturer and Builder//, July 1890, p. 156. Original print article.

*
1873-1928: Booklet on “How to Become a Lightning Calculator”, No. 2

*
1901: "Rechenmachinen ["Calculating Machines" trs.] Bibliogr. Institut in Leipzig, //Zum Art "Rechenmaschinen"// (Bld. 21). Original wood engraved plate, pp. 1-2. showing engravings of calculating machines by Pascal, Leibniz, Steiger and Egli (Millionaire), Burroughs, Burkhard, Brunsviga, and J. H. Müller.

*
1913: Advertisement by Hertztark Co. for "Austria" Calculating Machine

* Comptometer Manual 1921
|1921: Felt and Tarrant Comptometer Manual

* Monro 1937
|1937: Advertisement for Monroe Calculators featuring Marching numbers

* HP-Scientific American 1973
|1973: "HP Measurement/Computation:changing things for the better", //Scientific American//, July 1973, pp. 6-7. Original print article. Two full page advertisement for the HP-35, HP-45 and HP-46 scientific calculators.
to:
||Attach:BolleeClipW100.jpg||Ephemerae||
|| ||
1759: Algebre et Arithmetique - Machine de Arithmetique de Pascal", Denis Diderot and Jean le Rond d'Alembert, //Encyclopédie ou Dictionnaire raisonné des sciences, des arts et des métiers//, First folio edition, 1759, Volume 22, Plate 2. (Hand coloured).||
|| ||
1797: Napier's Rods in "Inland Navigation", //Encyclopaedia Britannica//, 3rd Edition, 1797, plate CCCXLIV, Andrew Bell copperplate. Original print article.||
|| ||
1855: "Messrs. Scheutz's New Calculating Machine", //The Illustrated London News//, 30 June 1855, p. 661. Original print article.||
|| ||
1890: Leon Bollée Calculating Machine, "A New Calculating Machine of very General Applicability", //The Manufacturer and Builder//, July 1890, p. 156. Original print article.||
|| ||
1873-1928: Booklet on "How to Become a Lightning Calculator", No. 2||
|| ||
1901: "Rechenmachinen ["Calculating Machines" trs.] Bibliogr. Institut in Leipzig, //Zum Art "Rechenmaschinen"// (Bld. 21). Original wood engraved plate, pp. 1-2. showing engravings of calculating machines by Pascal, Leibniz, Steiger and Egli (Millionaire), Burroughs, Burkhard, Brunsviga, and J. H. Müller.||
|| ||
1913: Advertisement by Hertztark Co. for "Austria" Calculating Machine||
|| ||Comptometer Manual 1921|1921: Felt and Tarrant Comptometer
Manual||
|| ||Monro 1937|1937: Advertisement for Monroe Calculators featuring Marching
numbers||
|| ||
HP-Scientific American 1973|1973: "HP Measurement/Computation:changing things for the better", //Scientific American//, July 1973, pp. 6-7. Original print article. Two full page advertisement for the HP-35, HP-45 and HP-46 scientific calculators.||
||tableend
11 August 2013 by 203.166.245.137 -
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{=Attach:Morland2W100.jpg=}**The first "computer manual"?** 
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{=Attach:ButterfieldSectorW100.jpg=}**Sectors and Dividers**
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{=Attach:GunterRule2W100.jpg=}**Gunter's Proportional Rule**
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{=Attach:ThacherW100.jpg=}**Cylindrical Slide Rules**
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{=Attach:CharpentierW100.jpg=}**Circular Slide Rules**
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{=Attach:Bloch1W100.jpg=}**Proportional Nomographic Calculators**
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{=Attach:AdixW100.jpg=}**Keyboard Adding Machines**
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{=Attach:ThomasDeColmarW100.jpg=}**Arithmometers**
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{=Attach:BambergerOmegaW100.jpg=}**True Multiplying Calculators**
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{=Attach:MercedesDemoW100.jpg=} **Proportional Rack Calculators**
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{=Attach:MercedesDemoW100.jpg=}**Proportional Rack Calculators**
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{=Attach:Schickard1W100.jpg=} **First Devices**
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{=Attach:Schickard1W100.jpg=}**First Devices**
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{=Attach:HenrionW100.jpg=} **Logarithmic Tables, and  Ready Reckoners**
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{=Attach:HenrionW100.jpg=}**Logarithmic Tables, and  Ready Reckoners**
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http://metastudies.net/pmwiki/uploads/HenrionW100.jpg **Logarithmic Tables, and  Ready Reckoners**
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{=Attach:HenrionW100.jpg=} **Logarithmic Tables, and  Ready Reckoners**
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http://metastudies.net/pmwiki/uploads/Morland2W100.jpg **The first "computer manual"?** 
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{=Attach:Morland2W100.jpg=} **The first "computer manual"?** 
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http://metastudies.net/pmwiki/uploads/ButterfieldSectorW100.jpg **Sectors and Dividers**
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{=Attach:ButterfieldSectorW100.jpg=} **Sectors and Dividers**
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{=Attach
:ConvertiseurW100.jpg=} **Conversion Devices**
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http://metastudies.net/pmwiki/uploads/GunterRule2W100.jpg **Gunter's Proportional Rule**
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{=Attach:GunterRule2W100.jpg=} **Gunter's Proportional Rule**
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{=Attach:EverardW100.jpg=} **Slide Rules**
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{=Attach:ThacherW100.jpg=} **Cylindrical Slide Rules**
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{=Attach:CharpentierW100.jpg=} **Circular Slide Rules**
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http://metastudies.net/pmwiki/uploads/Bloch1W100.jpg **Proportional Nomographic Calculators**
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{=Attach:Bloch1W100.jpg=} **Proportional Nomographic Calculators**
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{=Attach:WebbW100.jpg=} **Stylus or Slider operated Adders**
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{=Attach:AdixW100.jpg=} **Keyboard Adding Machines**
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{=Attach:ThomasDeColmarW100.jpg=} **Arithmometers**
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http://metastudies.net/pmwiki/uploads/BambergerOmegaW100.jpg **True Multiplying Calculators**
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{=Attach:BambergerOmegaW100.jpg=} **True Multiplying Calculators**
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http://metastudies.net/pmwiki/uploads/MercedesDemoW100.jpg **Proportional Rack Calculators**
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{=Attach:MercedesDemoW100.jpg=} **Proportional Rack Calculators**
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{=Attach:Brunsviga1896W100.jpg=} **Pinwheel Calculators**
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{=Attach:ComptometerWoodieW100.jpg=} **Comptometers**
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{=Attach:HerzstarkArithmometerW100.jpg=} **Motorised Calculating Machines**
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{=Attach:Schickard1W100.jpg=} **First Devices**
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http://metastudies.net/pmwiki/uploads/HenrionW100.jpg '+Logarithmic Tables, and  Ready Reckoners+'
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http://metastudies.net/pmwiki/uploads/HenrionW100.jpg **Logarithmic Tables, and  Ready Reckoners**
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http://metastudies.net/pmwiki/uploads/Morland2W100.jpg '+The first "computer manual"?+' 
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http://metastudies.net/pmwiki/uploads/Morland2W100.jpg **The first "computer manual"?** 
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http://metastudies.net/pmwiki/uploads/ButterfieldSectorW100.jpg '+Sectors and Dividers+'
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http://metastudies.net/pmwiki/uploads/ButterfieldSectorW100.jpg **Sectors and Dividers**
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http://metastudies.net/pmwiki/uploads/ConvertiseurW100.jpg **Conversion Devices**
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http://metastudies.net/pmwiki/uploads/GunterRule2W100.jpg '+Gunter's Proportional Rule+'

* [1626: Design of a Logarithmic Proportional Rule (following Gunter 1624)
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*
1626: Design of a Logarithmic Proportional Rule (following Gunter 1624)
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* [[Tavernier Gravet 1893-8|1893-8: Tavernier-Gravet, Slide Rule, cursor inscribed as presented in 1898
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* 1893-8: Tavernier-Gravet, Slide Rule, cursor inscribed as presented in 1898
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http://metastudies.net/pmwiki/uploads/Bloch1W100.jpg **Proportional Nomographic Calculators**
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http://metastudies.net/pmwiki/uploads/MercedesDemoW100.jpg '+Proportional Rack Calculators+'

* [[Mercedes 29 Demonstrator 1923|1923: Mercedes-Euklid Model 29 Demonstration calculator

* [[Mercedes 29 1923|1923: Mercedes-Euklid Model 29 calculator


http://metastudies.net/pmwiki/uploads/Brunsviga1896W100.jpg '+Pinwheel Calculators+'
to:
http://metastudies.net/pmwiki/uploads/MercedesDemoW100.jpg **Proportional Rack Calculators**

* 1923: Mercedes-Euklid Model 29 Demonstration
calculator

* 1923: Mercedes-Euklid Model 29 calculator


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http://metastudies.net/pmwiki/uploads/GunterRuleW100.jpg '+Gunter's Proportional Rule+'
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(:ifend:)
to:
(:ifend:)
11 August 2013 by 203.166.245.137 -
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(:if equal {Site.PrintBook$:PSW} "False":)
The following objects form the collection of the author (for convenience referred to here as "collection Calculant").  They are used here as an aid to insight about the history of calculating technology.

to:
(:if equal {Site.PrintBook$:PSW} "True":)
The following objects form "collection Calculant".  They are described in context in the text.

Changed lines 9-19 from:
* Abacus (Chinese, contemporary)]]

* 1480-1520: French Jeton, Late Medieval]]

* 1577: Calculi Ordinum Belgii, "Port Salu"]]

* '1623': Schickard's "Calculating Clock" - reconstruction from surviving manuscript]]

* '~1652': Blaise Pascal's "Pascaline" - replica based on surviving examples]]

to:
* Abacus (Chinese, contemporary)

* 1480-1520: French Jeton, Late Medieval

* 1577: Calculi Ordinum Belgii, "Port Salu"

* '1623': Schickard's "Calculating Clock" - reconstruction from surviving manuscript

* '~1652': Blaise Pascal's "Pascaline" - replica based on surviving examples

Changed lines 22-28 from:
* 1626: Dennis Henrion: //Traicté de logarithmes//]]

* 1783: //Tables Portatives de Logarithmes, by Gardiner improved and perfected in their disposition by M. Callet//]]

* 1892: //Ropp's Commercial Calculator Book//, World's Fair Edition]]

to:
* 1626: Dennis Henrion: //Traicté de logarithmes//

* 1783: //Tables Portatives de Logarithmes, by Gardiner improved and perfected in their disposition by M. Callet//

* 1892: //Ropp's Commercial Calculator Book//, World's Fair Edition

Changed lines 31-33 from:
* 1672: Morland (Samuel) //A New, and most useful Instrument for Addition and Subtraction of Pounds, Shillings, Pence, and Farthings//]]

to:
* 1672: Morland (Samuel) //A New, and most useful Instrument for Addition and Subtraction of Pounds, Shillings, Pence, and Farthings//

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* 1675-1715: Brass French Gunnery Sector by Michael Butterfield, Paris]]

* ~1830: Oxbone Architect's Sector by T. and H. Doublett, London]]

* ~1740-1810: 2 Pairs of Dividers - made in England]]

* ~1750-1800 Early print of drawings of Dividers and other Instruments by T. Jefferys]]

* ~1880 Set of Proportional Dividers and other Mathematical Drawing Instruments by Henri Morin, Paris]]
to:
* 1675-1715: Brass French Gunnery Sector by Michael Butterfield, Paris

* ~1830: Oxbone Architect's Sector by T. and H. Doublett, London

* ~1740-1810: 2 Pairs of Dividers - made in England

* ~1750-1800 Early print of drawings of Dividers and other Instruments by T. Jefferys

* ~1880 Set of Proportional Dividers and other Mathematical Drawing Instruments by Henri Morin, Paris
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* 1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris]]

to:
* 1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris

Changed lines 53-57 from:
* [1626: Design of a Logarithmic Proportional Rule (following Gunter 1624)]]

* 1831-1843: Gunter rule for navigation by Belcher and Bros, New York, New York]]

to:
* [1626: Design of a Logarithmic Proportional Rule (following Gunter 1624)

* 1831-1843: Gunter rule for navigation by Belcher and Bros, New York, New York

Changed lines 60-74 from:
* 1727: Designs of 3 Logarithmic Rules 1626-1726 (as described by Jacob Leupold 1727) ]]

* 1759-69: Edward Roberts Everard Pattern Gauger's Slide Rule]]

* 1821-84: Joseph Long, London, Alcohol Proof Index Slide Rule]]

* [[Tavernier Gravet 1893-8|1893-8: Tavernier-Gravet, Slide Rule, cursor inscribed as presented in 1898]]

* ~1928: Keuffel & Esser 4088-3 serial 348119 Slide Rule]]

* ~1948: Lawrence 10-G Cutting Speed Calculator]]

* 1967-73: Faber Castell 2/83N Novo Duplex slide rule]]

to:
* 1727: Designs of 3 Logarithmic Rules 1626-1726 (as described by Jacob Leupold 1727)

* 1759-69: Edward Roberts Everard Pattern Gauger's Slide Rule

* 1821-84: Joseph Long, London, Alcohol Proof Index Slide Rule

* [[Tavernier Gravet 1893-8|1893-8: Tavernier-Gravet, Slide Rule, cursor inscribed as presented in 1898

* ~1928: Keuffel & Esser 4088-3 serial 348119 Slide Rule

* ~1948: Lawrence 10-G Cutting Speed Calculator

* 1967-73: Faber Castell 2/83N Novo Duplex slide rule

Changed lines 77-83 from:
* 1911: Thacher's Calculating Instrument, No. 4012 by Keuffel & Esser]]

* 1926: Professor Fuller’s Fuller Cylindrical Slide Rule Model 2 No. 5706]]

* ~1960: Otis King Rotary Slide Rule, Type L C, serial T6205, scales 429 and 430]]

to:
* 1911: Thacher's Calculating Instrument, No. 4012 by Keuffel & Esser

* 1926: Professor Fuller’s Fuller Cylindrical Slide Rule Model 2 No. 5706

* ~1960: Otis King Rotary Slide Rule, Type L C, serial T6205, scales 429 and 430

Changed lines 86-96 from:
* 1847: Palmer's Computing Scale and Fuller's Time Telegraph, issue 4]]

* ~1881: Charpentier Calculimètre  circular slide rule]]

* ~1935: Supremathic Circular slide rule]]

* 1948: Fowler Long Scale Jubilee Magnum extra long scale calculator Fowler's "Jubilee Magnum" Circular Slide Rule]]

* 1960s: KL-1 Russian Mechanical Circular Slide Rule and case]]

to:
* 1847: Palmer's Computing Scale and Fuller's Time Telegraph, issue 4

* ~1881: Charpentier Calculimètre  circular slide rule

* ~1935: Supremathic Circular slide rule

* 1948: Fowler Long Scale Jubilee Magnum extra long scale calculator Fowler's "Jubilee Magnum" Circular Slide Rule

* 1960s: KL-1 Russian Mechanical Circular Slide Rule and case

Changed lines 99-103 from:
* ~1924: Bloch Schnellkalkulator]]

* ~1947 Der Zeitermittler]]

to:
* ~1924: Bloch Schnellkalkulator

* ~1947 Der Zeitermittler

Changed lines 106-204 from:
* 1869 model Web Patent Adder and Talley Board serial B2040]]

* 1890-1900: A. M. Stevenson Adder]]

* 1905-1911: Locke Adder]]

* 1910-1920s Comptator, 9 column]]

* ~1910 Adall Concentric-disk Adding Machine]]

* ~1915: Golden Gem Automatic Adding Machine, serial 73158]]

* 1920: Addiator Troncet adder]]

* [[Scribola 1922|1922: Scribola 10 column printing Adding Machine]]

* [[Add-O-Matic 1937|1937: Add-O-Matic Adding Machine]]

* [[Lightning 1946|~1946: Lightning Portable Adding Machine]]

* [[SEE 1968|1968: SEE Demonstration Adding Machine]]


%thumb%
http://metastudies.net/pmwiki/uploads/Adix.png '+Keyboard Adding Machines+'

* [[Adix 1903|1903: Adix Adding Machine. Original model]]


%thumb%
http://metastudies.net/pmwiki/uploads/ThomasDeColmar.jpg '+Arithmometers+'

* [[Thomas De Colmar 1884|1884: Thomas de Colmar Arithmometer Model T1878 B, serial 2083]]

* [[TIM 1909|1909: Ludwig Spitz & Co
., G.m.b.H., Berlin-Tempelhof TIM (Time is Money) Arithmometer]]

* [[Bunzel Prototype 1913|~1913: Bunzel-Denton Arithmometer Prototype with crank moved to front]]

* [[site.Madas-IX-Maxima|1917: Madas IX Maxima calculator, serial 5532]]


%thumb%
http://metastudies.net/pmwiki/uploads/BambergerOmega.png '+True Multiplying Calculators+'

* [[Bamberger Omega 1904|1904-1905: Bamberger’s Omega Calculating Machine]]

* [[Millionaire 1912|1912: Millionaire Calculating Machine serial 2015 (10x10x20)]]


%thumb%
http://metastudies.net/pmwiki/uploads/MercedesDemo.png '+Proportional Rack Calculators+'

* [[Mercedes 29 Demonstrator 1923|1923: Mercedes-Euklid Model 29 Demonstration calculator]]

* [[Mercedes 29 1923|1923: Mercedes-Euklid Model 29 calculator]]


%thumb%
http://metastudies.net/pmwiki/uploads/Brunsviga1896.png '+Pinwheel Calculators+'

* [[Brunsviga Schuster 1896|~1896: Ohdner Brunsviga Schuster Calculator serial 3406]]

* [[Facit 1945|1945: Facit Model S Calculator serial 210652]]

* [[Original Ohdner 39-1951|~1951: Original Ohdner Model 39, Calculator serial 39-288965]]

* [[Walther Demonstrator 1957|1957
: Walther Demonstration WSR160 Pinwheel Calculator]]

* [[Walther 1957|~1957
: Walther WSR160 Pinwheel Calculator]]


%thumb% http
://metastudies.net/pmwiki/uploads/ComptometerWoodie.png '+Comptometers+'

* [[ComptometerWoodie1896|Sept 1896: Felt and Tarrant Comptometer: Earliest - wood-cased “Woodie” model, serial 2491]]

* [[Comptometer Oil Bottle 1907| ~ 1907:
Comptometer oil bottle, marked with patent 23 April 1905; 6 April 1907]]

* [[Sumlock Demonstrator 1955|~ 1955 Bell Punch Sumlock Demonstration Comptometer]]

* [[Sumlock Comptometer 1950s|1950s: Bell Sumlock Comptometer Model 909/S/117.878 (made in Great Britain by Bell Punch Company Ltd)]]


%thumb% http://metastudies.net/pmwiki/uploads/Curta1-1948.png '+Curta Calculators+'

* [[Curta-1-1948|~July 1948: CURTA Type 1 (pin sliders) earliest model
calculator serial 5424]]

* [[Curta-1-1967|1967: CURTA Type I calculator serial 76436, near mint, with original case, cardboard box and instructions]]

* [[Curta-2-1963|1963: CURTA Type II calculator with Leather Case,  serial 554765]]


%thumb% http://metastudies.net/pmwiki/uploads/HerzstarkArithmometer.png '+Motorised Calculating Machines+'

* [[Hertstark 1929|~1929 "Herzstark" electric Calculating Machine serial 6549, badged by Herzstark, Vienna; essentially Badenia Model TE 13 Duplex]]

* [[MADAS 1950-60s|1950s-1960s: MADAS Model 20BTG serial 94046 electric calculator with true automatic division]]


%thumb% http://metastudies.net/pmwiki/uploads/HP35.jpg '+Electronic Calculators+'

* [[HP-35-1972|July1972: Hewlett Packard HP 35 Calculator serial 1230A 79429, 1972 (second version)]]

* [[HP-45-
1973|December 1973: Hewlett Packard HP 45 Calculator serial 1350A 36719, 1973]]
to:
* 1869 model Web Patent Adder and Talley Board serial B2040

* 1890-1900: A. M. Stevenson Adder

* 1905-1911: Locke Adder

* 1910-1920s Comptator, 9 column

* ~1910 Adall Concentric-disk Adding Machine

* ~1915: Golden Gem Automatic Adding Machine, serial 73158

* 1920: Addiator Troncet adder

* 1922: Scribola 10 column printing Adding Machine

* 1937: Add-O-Matic Adding Machine

* ~1946: Lightning Portable Adding Machine

* 1968: SEE Demonstration Adding Machine


http://metastudies.net/pmwiki/uploads/AdixW100.jpg '+Keyboard Adding Machines+'

* 1903: Adix Adding Machine. Original model


http://metastudies.net/pmwiki/uploads/ThomasDeColmarW100.jpg '+Arithmometers+'

* 1884: Thomas de Colmar Arithmometer Model T1878 B, serial 2083

* 1909: Ludwig Spitz & Co., G
.m.b.H., Berlin-Tempelhof TIM (Time is Money) Arithmometer

* ~1913: Bunzel-Denton Arithmometer Prototype with crank moved to front

* 1917: Madas IX Maxima calculator, serial 5532


http://metastudies.net/pmwiki/uploads/BambergerOmegaW100.jpg '+True Multiplying Calculators+'

* 1904-1905: Bamberger’s Omega Calculating Machine

* 1912: Millionaire Calculating Machine serial 2015 (10x10x20)


http://metastudies.net/pmwiki/uploads/MercedesDemoW100.jpg '+Proportional Rack Calculators+'

* [[Mercedes 29 Demonstrator 1923|1923: Mercedes-Euklid Model 29 Demonstration calculator

* [[Mercedes 29 1923|1923: Mercedes-Euklid Model 29 calculator


http://metastudies.net/pmwiki/uploads/Brunsviga1896W100.jpg '+Pinwheel Calculators+'

* ~1896: Ohdner Brunsviga Schuster Calculator serial 3406

* 1945: Facit Model S Calculator serial 210652

* ~1951: Original Ohdner Model 39, Calculator serial 39-288965

* 1957: Walther Demonstration WSR160 Pinwheel
Calculator

* ~1957: Walther WSR160 Pinwheel Calculator


http
://metastudies.net/pmwiki/uploads/ComptometerWoodieW100.jpg '+Comptometers+'

* Sept 1896: Felt and Tarrant Comptometer
: Earliest - wood-cased “Woodie” model, serial 2491

* ~ 1907
: Comptometer oil bottle, marked with patent 23 April 1905; 6 April 1907

* ~ 1955 Bell Punch Sumlock Demonstration
Comptometer

* 1950s: Bell Sumlock Comptometer Model 909/S/117.878 (made in Great Britain by Bell Punch Company Ltd)


http://metastudies.net/pmwiki/uploads/Curta1-1948W100.jpg '+Curta Calculators+'

* ~July 1948: CURTA Type 1 (pin sliders) earliest model calculator serial 5424

* 1967: CURTA Type I calculator serial 76436, near mint, with original case, cardboard box and instructions

* 1963: CURTA Type II
calculator with Leather Case,  serial 554765


http://metastudies.net/pmwiki/uploads/HerzstarkArithmometerW100.jpg '+Motorised Calculating Machines+'

* ~1929 "Herzstark" electric Calculating Machine serial 6549, badged by Herzstark, Vienna; essentially Badenia Model TE 13 Duplex

* 1950s-1960s: MADAS Model 20BTG serial 94046 electric calculator with true automatic division


http://metastudies.net/pmwiki/uploads/HP35W100.jpg '+Electronic Calculators+'

* July1972: Hewlett Packard HP 35 Calculator serial 1230A 79429, 1972 (second version)

* December 1973: Hewlett Packard HP 45 Calculator serial 1350A 36719,
1973
Changed lines 208-228 from:
%thumb% http://metastudies.net/pmwiki/uploads/BolleeClip.jpg '+Ephemerae+'

* [[Diderot1759|1759: Algebre et Arithmetique - Machine de Arithmetique de Pascal", Denis Diderot and Jean le Rond d’Alembert, //Encyclopédie ou Dictionnaire raisonné des sciences, des arts et des métiers//, First folio edition, 1759, Volume 22, Plate 2. (Hand coloured).]]

* [[EncyclopediaBritannica1797|1797: Napier's Rods in "Inland Navigation", //Encyclopaedia Britannica//, 3rd Edition, 1797, plate CCCXLIV, Andrew Bell copperplate. Original print article.]]

* [[Scheutz1855|1855: "Messrs. Scheutz's New Calculating Machine", //The Illustrated London News//, 30 June 1855, p. 661. Original print article.]]

* [[Bollee1890|1890: Leon Bollée Calculating Machine, "A New Calculating Machine of very General Applicability", //The Manufacturer and Builder//, July 1890, p. 156. Original print article.]]

* [[Lightning booklet 2|1873-1928: Booklet on “How to Become a Lightning Calculator”, No. 2]]

* [[Rechenmachinen1901|1901: "Rechenmachinen ["Calculating Machines" trs.] Bibliogr. Institut in Leipzig, //Zum Art "Rechenmaschinen"// (Bld. 21). Original wood engraved plate, pp. 1-2.]] showing engravings of calculating machines by Pascal, Leibniz, Steiger and Egli (Millionaire), Burroughs, Burkhard, Brunsviga, and J. H. Müller.

* [[Hertzstark 1913|1913: Advertisement by Hertztark Co. for "Austria" Calculating Machine]]

* [[Comptometer Manual 1921|1921: Felt and Tarrant Comptometer Manual]]

* [[Monro 1937|1937: Advertisement for Monroe Calculators featuring Marching numbers]]

* [[HP-Scientific American 1973|1973: "HP Measurement/Computation:changing things for the better", //Scientific American//, July 1973, pp. 6-7. Original print article.]] Two full page advertisement for the HP-35, HP-45 and HP-46 scientific calculators.
to:
http://metastudies.net/pmwiki/uploads/BolleeClipW100.jpg '+Ephemerae+'

* 1759: Algebre et Arithmetique - Machine de Arithmetique de Pascal", Denis Diderot and Jean le Rond d’Alembert, //Encyclopédie ou Dictionnaire raisonné des sciences, des arts et des métiers//, First folio edition, 1759, Volume 22, Plate 2. (Hand coloured).

* 1797: Napier's Rods in "Inland Navigation", //Encyclopaedia Britannica//, 3rd Edition, 1797, plate CCCXLIV, Andrew Bell copperplate. Original print article.

* 1855: "Messrs. Scheutz's New Calculating Machine", //The Illustrated London News//, 30 June 1855, p. 661. Original print article.

* 1890: Leon Bollée Calculating Machine, "A New Calculating Machine of very General Applicability", //The Manufacturer and Builder//, July 1890, p. 156. Original print article.

* 1873-1928: Booklet on “How to Become a Lightning Calculator”, No. 2

* 1901: "Rechenmachinen ["Calculating Machines" trs.] Bibliogr. Institut in Leipzig, //Zum Art "Rechenmaschinen"// (Bld. 21). Original wood engraved plate, pp. 1-2. showing engravings of calculating machines by Pascal, Leibniz, Steiger and Egli (Millionaire), Burroughs, Burkhard, Brunsviga, and J. H. Müller.

* 1913: Advertisement by Hertztark Co. for "Austria" Calculating Machine

* Comptometer Manual 1921|1921: Felt and Tarrant Comptometer Manual

* Monro 1937|1937: Advertisement for Monroe Calculators featuring Marching numbers

* HP-Scientific American 1973|1973: "HP Measurement/Computation:changing things for the better", //Scientific American//, July 1973, pp. 6-7. Original print article. Two full page advertisement for the HP-35, HP-45 and HP-46 scientific calculators.
Added line 232:
Deleted line 459:
11 August 2013 by 203.166.245.137 -
Added line 3:
(:if equal {Site.PrintBook$:PSW} "False":)
Changed lines 7-65 from:
%width=100px% http://metastudies.net/pmwiki/uploads/Schickard1.jpg '+First Devices+'

* [[Abacus|Abacus (Chinese, contemporary)]]

* [[Jetton 1480|1480-1520: French Jeton, Late Medieval]]

* [[Calculi 1577|1577: Calculi Ordinum Belgii, "Port Salu"]]

* [[Schickard 1623|'1623': Schickard's "Calculating Clock" - reconstruction from surviving manuscript]]

* [[Pascaline 1652|'~1652': Blaise Pascal's "Pascaline" - replica based on surviving examples]]


%thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '+Logarithmic Tables, and  Ready Reckoners+'

* [[Henrion 1626|1626: Dennis Henrion: //Traicté de logarithmes//]]

* [[Gardiner 1783|1783: //Tables Portatives de Logarithmes, by Gardiner improved and perfected in their disposition by M. Callet//]]

* [[Ropp 1892|1892: //Ropp's Commercial Calculator Book//, World's Fair Edition]]


%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+The first "computer manual"?+' 

* [[Morland 1672|1672: Morland (Samuel) //A New, and most useful Instrument for Addition and Subtraction of Pounds, Shillings, Pence, and Farthings//]]


%thumb% http://metastudies.net/pmwiki/uploads/ButterfieldSector.png '+Sectors and Dividers+'

* [[Butterfield Sector 1700|1675-1715: Brass French Gunnery Sector by Michael Butterfield, Paris]]

* [[Doublett Sector 1830|~1830: Oxbone Architect's Sector by T. and H. Doublett, London]]

* [[Dividers C18|~1740-1810: 2 Pairs of Dividers - made in England]]

* [[Jefferys 1750-1800|~1750-1800 Early print of drawings of Dividers and other Instruments by T. Jefferys]]

* [[Henri Morin ~1880|~1880 Set of Proportional Dividers and other Mathematical Drawing Instruments by Henri Morin, Paris]]

%thumb% http://metastudies.net/pmwiki/uploads/Convertiseur.png '+Conversion Devices+'

* [[CHAIX 1790|1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris]]


%thumb% http://metastudies.net/pmwiki/uploads/GunterRule.jpg '+Gunter's Proportional Rule+'

* [[GunterHenrion1626|1626: Design of a Logarithmic Proportional Rule (following Gunter 1624)]]

* [[GunterRule1836|1831-1843: Gunter rule for navigation by Belcher and Bros, New York, New York]]


%thumb% http://metastudies.net/pmwiki/uploads/Everard.jpg '+Slide Rules+'

* [[ThreeSlideRuleDesigns1727|1727: Designs of 3 Logarithmic Rules 1626-1726 (as described by Jacob Leupold 1727) ]]

* [[Everard 1759|1759-69: Edward Roberts Everard Pattern Gauger's Slide Rule]]

* [[Joseph Long 1821-84|1821-84: Joseph Long, London, Alcohol Proof Index Slide Rule]]
to:
http://metastudies.net/pmwiki/uploads/Schickard1W100.jpg '+First Devices+'

* Abacus (Chinese, contemporary)]]

* 1480-1520: French Jeton, Late Medieval]]

* 1577: Calculi Ordinum Belgii, "Port Salu"]]

* '1623': Schickard's "Calculating Clock" - reconstruction from surviving manuscript]]

* '~1652': Blaise Pascal's "Pascaline" - replica based on surviving examples]]


http://metastudies.net/pmwiki/uploads/HenrionW100.jpg '+Logarithmic Tables, and  Ready Reckoners+'

* 1626: Dennis Henrion: //Traicté de logarithmes//]]

* 1783: //Tables Portatives de Logarithmes, by Gardiner improved and perfected in their disposition by M. Callet//]]

* 1892: //Ropp's Commercial Calculator Book//, World's Fair Edition]]


http://metastudies.net/pmwiki/uploads/Morland2W100.jpg '+The first "computer manual"?+' 

* 1672: Morland (Samuel) //A New, and most useful Instrument for Addition and Subtraction of Pounds, Shillings, Pence, and Farthings//]]


http://metastudies.net/pmwiki/uploads/ButterfieldSectorW100.jpg '+Sectors and Dividers+'

* 1675-1715: Brass French Gunnery Sector by Michael Butterfield, Paris]]

* ~1830: Oxbone Architect's Sector by T. and H. Doublett, London]]

* ~1740-1810: 2 Pairs of Dividers - made in England]]

* ~1750-1800 Early print of drawings of Dividers and other Instruments by T. Jefferys]]

* ~1880 Set of Proportional Dividers and other Mathematical Drawing Instruments by Henri Morin, Paris]]

http://metastudies.net/pmwiki/uploads/ConvertiseurW100.jpg '+Conversion Devices+'

* 1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris]]


http://metastudies.net/pmwiki/uploads/GunterRuleW100.jpg '+Gunter's Proportional Rule+'

* [1626: Design of a Logarithmic Proportional Rule (following Gunter 1624)]]

* 1831-1843: Gunter rule for navigation by Belcher and Bros, New York, New York]]


http://metastudies.net/pmwiki/uploads/EverardW100.jpg '+Slide Rules+'

* 1727: Designs of 3 Logarithmic Rules 1626-1726 (as described by Jacob Leupold 1727) ]]

* 1759-69: Edward Roberts Everard Pattern Gauger's Slide Rule]]

* 1821-84: Joseph Long, London, Alcohol Proof Index Slide Rule]]
Changed lines 68-119 from:
* [[Keuffel and Esser ~1928|~1928: Keuffel & Esser 4088-3 serial 348119 Slide Rule]]

* [[Lawrence ~1948|~1948: Lawrence 10-G Cutting Speed Calculator]]

* [[Faber Castell 1967|1967-73: Faber Castell 2/83N Novo Duplex slide rule]]


%thumb% http://metastudies.net/pmwiki/uploads/Thacher.jpg '+Cylindrical Slide Rules+'

* [[Thacher 1911|1911: Thacher's Calculating Instrument, No. 4012 by Keuffel & Esser]]

* [[Fuller 1926|1926: Professor Fuller’s Fuller Cylindrical Slide Rule Model 2 No. 5706]]

* [[Otis King 1960|~1960: Otis King Rotary Slide Rule, Type L C, serial T6205, scales 429 and 430]]


%thumb% http://metastudies.net/pmwiki/uploads/Charpentier.jpg '+Circular Slide Rules+'

* [[Palmers Computing Scale ~1846|1847: Palmer's Computing Scale and Fuller's Time Telegraph, issue 4]]

* [[Calculimètre Charpentier 1881|~1881: Charpentier Calculimètre  circular slide rule]]

* [[Supremathic 1935|~1935: Supremathic Circular slide rule]]

* [[Fowler 1948|1948: Fowler Long Scale Jubilee Magnum extra long scale calculator Fowler's "Jubilee Magnum" Circular Slide Rule]]

* [[KL1 1960s|1960s: KL-1 Russian Mechanical Circular Slide Rule and case]]


%thumb% http://metastudies.net/pmwiki/uploads/Bloch1.jpg '+Proportional Nomographic Calculators+'

* [[Bloch Schnellkalkulator 1924 |~1924: Bloch Schnellkalkulator]]

* [[Der Zeitermittler ~1947|~1947 Der Zeitermittler]]


%thumb% http://metastudies.net/pmwiki/uploads/Webb.jpg '+Stylus or Slider operated Adders+'

* [[Webb 1869|1869 model Web Patent Adder and Talley Board serial B2040]]

* [[Stevenson 1890|1890-1900: A. M. Stevenson Adder]]

* [[Locke 1901|1905-1911: Locke Adder]]

* [[Comptator 1910|1910-1920s Comptator, 9 column]]

* [[Adall 1910|~1910 Adall Concentric-disk Adding Machine]]

* [[Golden Gem 1915|~1915: Golden Gem Automatic Adding Machine, serial 73158]]

* [[Addiator 1920|1920: Addiator Troncet adder]]
to:
* ~1928: Keuffel & Esser 4088-3 serial 348119 Slide Rule]]

* ~1948: Lawrence 10-G Cutting Speed Calculator]]

* 1967-73: Faber Castell 2/83N Novo Duplex slide rule]]


http://metastudies.net/pmwiki/uploads/ThacherW100.jpg '+Cylindrical Slide Rules+'

* 1911: Thacher's Calculating Instrument, No. 4012 by Keuffel & Esser]]

* 1926: Professor Fuller’s Fuller Cylindrical Slide Rule Model 2 No. 5706]]

* ~1960: Otis King Rotary Slide Rule, Type L C, serial T6205, scales 429 and 430]]


http://metastudies.net/pmwiki/uploads/CharpentierW100.jpg '+Circular Slide Rules+'

* 1847: Palmer's Computing Scale and Fuller's Time Telegraph, issue 4]]

* ~1881: Charpentier Calculimètre  circular slide rule]]

* ~1935: Supremathic Circular slide rule]]

* 1948: Fowler Long Scale Jubilee Magnum extra long scale calculator Fowler's "Jubilee Magnum" Circular Slide Rule]]

* 1960s: KL-1 Russian Mechanical Circular Slide Rule and case]]


http://metastudies.net/pmwiki/uploads/Bloch1W100.jpg '+Proportional Nomographic Calculators+'

* ~1924: Bloch Schnellkalkulator]]

* ~1947 Der Zeitermittler]]


http://metastudies.net/pmwiki/uploads/WebbW100.jpg '+Stylus or Slider operated Adders+'

* 1869 model Web Patent Adder and Talley Board serial B2040]]

* 1890-1900: A. M. Stevenson Adder]]

* 1905-1911: Locke Adder]]

* 1910-1920s Comptator, 9 column]]

* ~1910 Adall Concentric-disk Adding Machine]]

* ~1915: Golden Gem Automatic Adding Machine, serial 73158]]

* 1920: Addiator Troncet adder]]
Added lines 229-459:
(:ifend:)


(:if equal {Site.PrintBook$:PSW} "False":)
The following objects form the collection of the author (for convenience referred to here as "collection Calculant").  They are used here as an aid to insight about the history of calculating technology.


%width=100px% http://metastudies.net/pmwiki/uploads/Schickard1.jpg '+First Devices+'

* [[Abacus|Abacus (Chinese, contemporary)]]

* [[Jetton 1480|1480-1520: French Jeton, Late Medieval]]

* [[Calculi 1577|1577: Calculi Ordinum Belgii, "Port Salu"]]

* [[Schickard 1623|'1623': Schickard's "Calculating Clock" - reconstruction from surviving manuscript]]

* [[Pascaline 1652|'~1652': Blaise Pascal's "Pascaline" - replica based on surviving examples]]


%thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '+Logarithmic Tables, and  Ready Reckoners+'

* [[Henrion 1626|1626: Dennis Henrion: //Traicté de logarithmes//]]

* [[Gardiner 1783|1783: //Tables Portatives de Logarithmes, by Gardiner improved and perfected in their disposition by M. Callet//]]

* [[Ropp 1892|1892: //Ropp's Commercial Calculator Book//, World's Fair Edition]]


%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+The first "computer manual"?+' 

* [[Morland 1672|1672: Morland (Samuel) //A New, and most useful Instrument for Addition and Subtraction of Pounds, Shillings, Pence, and Farthings//]]


%thumb% http://metastudies.net/pmwiki/uploads/ButterfieldSector.png '+Sectors and Dividers+'

* [[Butterfield Sector 1700|1675-1715: Brass French Gunnery Sector by Michael Butterfield, Paris]]

* [[Doublett Sector 1830|~1830: Oxbone Architect's Sector by T. and H. Doublett, London]]

* [[Dividers C18|~1740-1810: 2 Pairs of Dividers - made in England]]

* [[Jefferys 1750-1800|~1750-1800 Early print of drawings of Dividers and other Instruments by T. Jefferys]]

* [[Henri Morin ~1880|~1880 Set of Proportional Dividers and other Mathematical Drawing Instruments by Henri Morin, Paris]]

%thumb% http://metastudies.net/pmwiki/uploads/Convertiseur.png '+Conversion Devices+'

* [[CHAIX 1790|1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris]]


%thumb% http://metastudies.net/pmwiki/uploads/GunterRule.jpg '+Gunter's Proportional Rule+'

* [[GunterHenrion1626|1626: Design of a Logarithmic Proportional Rule (following Gunter 1624)]]

* [[GunterRule1836|1831-1843: Gunter rule for navigation by Belcher and Bros, New York, New York]]


%thumb% http://metastudies.net/pmwiki/uploads/Everard.jpg '+Slide Rules+'

* [[ThreeSlideRuleDesigns1727|1727: Designs of 3 Logarithmic Rules 1626-1726 (as described by Jacob Leupold 1727) ]]

* [[Everard 1759|1759-69: Edward Roberts Everard Pattern Gauger's Slide Rule]]

* [[Joseph Long 1821-84|1821-84: Joseph Long, London, Alcohol Proof Index Slide Rule]]

* [[Tavernier Gravet 1893-8|1893-8: Tavernier-Gravet, Slide Rule, cursor inscribed as presented in 1898]]

* [[Keuffel and Esser ~1928|~1928: Keuffel & Esser 4088-3 serial 348119 Slide Rule]]

* [[Lawrence ~1948|~1948: Lawrence 10-G Cutting Speed Calculator]]

* [[Faber Castell 1967|1967-73: Faber Castell 2/83N Novo Duplex slide rule]]


%thumb% http://metastudies.net/pmwiki/uploads/Thacher.jpg '+Cylindrical Slide Rules+'

* [[Thacher 1911|1911: Thacher's Calculating Instrument, No. 4012 by Keuffel & Esser]]

* [[Fuller 1926|1926: Professor Fuller’s Fuller Cylindrical Slide Rule Model 2 No. 5706]]

* [[Otis King 1960|~1960: Otis King Rotary Slide Rule, Type L C, serial T6205, scales 429 and 430]]


%thumb% http://metastudies.net/pmwiki/uploads/Charpentier.jpg '+Circular Slide Rules+'

* [[Palmers Computing Scale ~1846|1847: Palmer's Computing Scale and Fuller's Time Telegraph, issue 4]]

* [[Calculimètre Charpentier 1881|~1881: Charpentier Calculimètre  circular slide rule]]

* [[Supremathic 1935|~1935: Supremathic Circular slide rule]]

* [[Fowler 1948|1948: Fowler Long Scale Jubilee Magnum extra long scale calculator Fowler's "Jubilee Magnum" Circular Slide Rule]]

* [[KL1 1960s|1960s: KL-1 Russian Mechanical Circular Slide Rule and case]]


%thumb% http://metastudies.net/pmwiki/uploads/Bloch1.jpg '+Proportional Nomographic Calculators+'

* [[Bloch Schnellkalkulator 1924 |~1924: Bloch Schnellkalkulator]]

* [[Der Zeitermittler ~1947|~1947 Der Zeitermittler]]


%thumb% http://metastudies.net/pmwiki/uploads/Webb.jpg '+Stylus or Slider operated Adders+'

* [[Webb 1869|1869 model Web Patent Adder and Talley Board serial B2040]]

* [[Stevenson 1890|1890-1900: A. M. Stevenson Adder]]

* [[Locke 1901|1905-1911: Locke Adder]]

* [[Comptator 1910|1910-1920s Comptator, 9 column]]

* [[Adall 1910|~1910 Adall Concentric-disk Adding Machine]]

* [[Golden Gem 1915|~1915: Golden Gem Automatic Adding Machine, serial 73158]]

* [[Addiator 1920|1920: Addiator Troncet adder]]

* [[Scribola 1922|1922: Scribola 10 column printing Adding Machine]]

* [[Add-O-Matic 1937|1937: Add-O-Matic Adding Machine]]

* [[Lightning 1946|~1946: Lightning Portable Adding Machine]]

* [[SEE 1968|1968: SEE Demonstration Adding Machine]]


%thumb% http://metastudies.net/pmwiki/uploads/Adix.png '+Keyboard Adding Machines+'

* [[Adix 1903|1903: Adix Adding Machine. Original model]]


%thumb% http://metastudies.net/pmwiki/uploads/ThomasDeColmar.jpg '+Arithmometers+'

* [[Thomas De Colmar 1884|1884: Thomas de Colmar Arithmometer Model T1878 B, serial 2083]]

* [[TIM 1909|1909: Ludwig Spitz & Co., G.m.b.H., Berlin-Tempelhof TIM (Time is Money) Arithmometer]]

* [[Bunzel Prototype 1913|~1913: Bunzel-Denton Arithmometer Prototype with crank moved to front]]

* [[site.Madas-IX-Maxima|1917: Madas IX Maxima calculator, serial 5532]]


%thumb% http://metastudies.net/pmwiki/uploads/BambergerOmega.png '+True Multiplying Calculators+'

* [[Bamberger Omega 1904|1904-1905: Bamberger’s Omega Calculating Machine]]

* [[Millionaire 1912|1912: Millionaire Calculating Machine serial 2015 (10x10x20)]]


%thumb% http://metastudies.net/pmwiki/uploads/MercedesDemo.png '+Proportional Rack Calculators+'

* [[Mercedes 29 Demonstrator 1923|1923: Mercedes-Euklid Model 29 Demonstration calculator]]

* [[Mercedes 29 1923|1923: Mercedes-Euklid Model 29 calculator]]


%thumb% http://metastudies.net/pmwiki/uploads/Brunsviga1896.png '+Pinwheel Calculators+'

* [[Brunsviga Schuster 1896|~1896: Ohdner Brunsviga Schuster Calculator serial 3406]]

* [[Facit 1945|1945: Facit Model S Calculator serial 210652]]

* [[Original Ohdner 39-1951|~1951: Original Ohdner Model 39, Calculator serial 39-288965]]

* [[Walther Demonstrator 1957|1957: Walther Demonstration WSR160 Pinwheel Calculator]]

* [[Walther 1957|~1957: Walther WSR160 Pinwheel Calculator]]


%thumb% http://metastudies.net/pmwiki/uploads/ComptometerWoodie.png '+Comptometers+'

* [[ComptometerWoodie1896|Sept 1896: Felt and Tarrant Comptometer: Earliest - wood-cased “Woodie” model, serial 2491]]

* [[Comptometer Oil Bottle 1907| ~ 1907: Comptometer oil bottle, marked with patent 23 April 1905; 6 April 1907]]

* [[Sumlock Demonstrator 1955|~ 1955 Bell Punch Sumlock Demonstration Comptometer]]

* [[Sumlock Comptometer 1950s|1950s: Bell Sumlock Comptometer Model 909/S/117.878 (made in Great Britain by Bell Punch Company Ltd)]]


%thumb% http://metastudies.net/pmwiki/uploads/Curta1-1948.png '+Curta Calculators+'

* [[Curta-1-1948|~July 1948: CURTA Type 1 (pin sliders) earliest model calculator serial 5424]]

* [[Curta-1-1967|1967: CURTA Type I calculator serial 76436, near mint, with original case, cardboard box and instructions]]

* [[Curta-2-1963|1963: CURTA Type II calculator with Leather Case,  serial 554765]]


%thumb% http://metastudies.net/pmwiki/uploads/HerzstarkArithmometer.png '+Motorised Calculating Machines+'

* [[Hertstark 1929|~1929 "Herzstark" electric Calculating Machine serial 6549, badged by Herzstark, Vienna; essentially Badenia Model TE 13 Duplex]]

* [[MADAS 1950-60s|1950s-1960s: MADAS Model 20BTG serial 94046 electric calculator with true automatic division]]


%thumb% http://metastudies.net/pmwiki/uploads/HP35.jpg '+Electronic Calculators+'

* [[HP-35-1972|July1972: Hewlett Packard HP 35 Calculator serial 1230A 79429, 1972 (second version)]]

* [[HP-45-1973|December 1973: Hewlett Packard HP 45 Calculator serial 1350A 36719, 1973]]

______


%thumb% http://metastudies.net/pmwiki/uploads/BolleeClip.jpg '+Ephemerae+'

* [[Diderot1759|1759: Algebre et Arithmetique - Machine de Arithmetique de Pascal", Denis Diderot and Jean le Rond d’Alembert, //Encyclopédie ou Dictionnaire raisonné des sciences, des arts et des métiers//, First folio edition, 1759, Volume 22, Plate 2. (Hand coloured).]]

* [[EncyclopediaBritannica1797|1797: Napier's Rods in "Inland Navigation", //Encyclopaedia Britannica//, 3rd Edition, 1797, plate CCCXLIV, Andrew Bell copperplate. Original print article.]]

* [[Scheutz1855|1855: "Messrs. Scheutz's New Calculating Machine", //The Illustrated London News//, 30 June 1855, p. 661. Original print article.]]

* [[Bollee1890|1890: Leon Bollée Calculating Machine, "A New Calculating Machine of very General Applicability", //The Manufacturer and Builder//, July 1890, p. 156. Original print article.]]

* [[Lightning booklet 2|1873-1928: Booklet on “How to Become a Lightning Calculator”, No. 2]]

* [[Rechenmachinen1901|1901: "Rechenmachinen ["Calculating Machines" trs.] Bibliogr. Institut in Leipzig, //Zum Art "Rechenmaschinen"// (Bld. 21). Original wood engraved plate, pp. 1-2.]] showing engravings of calculating machines by Pascal, Leibniz, Steiger and Egli (Millionaire), Burroughs, Burkhard, Brunsviga, and J. H. Müller.

* [[Hertzstark 1913|1913: Advertisement by Hertztark Co. for "Austria" Calculating Machine]]

* [[Comptometer Manual 1921|1921: Felt and Tarrant Comptometer Manual]]

* [[Monro 1937|1937: Advertisement for Monroe Calculators featuring Marching numbers]]

* [[HP-Scientific American 1973|1973: "HP Measurement/Computation:changing things for the better", //Scientific American//, July 1973, pp. 6-7. Original print article.]] Two full page advertisement for the HP-35, HP-45 and HP-46 scientific calculators.
(:ifend:)

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%thumb% http://metastudies.net/pmwiki/uploads/Schickard1.jpg '+First Devices+'
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%width=100px% http://metastudies.net/pmwiki/uploads/Schickard1.jpg '+First Devices+'
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| [[Site.Introduction|The collection and the history of calculation]] >>
03 August 2013 by 203.166.245.137 -
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%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+ The first "Computer Manual"?+'
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%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+The first "computer manual"?+' 
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%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+ The first "Computer Manual"+'
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%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+ The first "Computer Manual"+'
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%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+ The first 'Computer Manual'?+'
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%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+ The first "Computer Manual"?+'
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* [[Henrion 1626|1626: Dennis Henrion: //Traicté de logarithmes//]]
to:
* [[Henrion 1626|1626: Dennis Henrion: //Traicté de logarithmes//]]
Changed lines 87-88 from:
* [[Calculimètre Charpentier 1881|~1881: Charpentier Calculimètre  circular slide rule]]
to:
* [[Calculimètre Charpentier 1881|~1881: Charpentier Calculimètre  circular slide rule]]
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* [[Diderot1759|1759: Algebre et Arithmetique - Machine de Arithmetique de Pascal", Denis Diderot and Jean le Rond d’Alembert, //Encyclopédie ou Dictionnaire raisonné des sciences, des arts et des métiers//, First folio edition, 1759, Volume 22, Plate 2. (Hand coloured).]]
to:
* [[Diderot1759|1759: Algebre et Arithmetique - Machine de Arithmetique de Pascal", Denis Diderot and Jean le Rond d’Alembert, //Encyclopédie ou Dictionnaire raisonné des sciences, des arts et des métiers//, First folio edition, 1759, Volume 22, Plate 2. (Hand coloured).]]
24 July 2013 by 203.5.69.180 -
Changed lines 1-3 from:
(:title Objects in collection Calculant:)

The following objects form the collection of the author.  They are used here as an aid to insight about the history of calculating technology.
to:
(:title Objects in "collection Calculant":)

The following objects form the collection of the author (for convenience referred to here as "collection Calculant").  They are used here as an aid to insight about the history of calculating technology.
24 July 2013 by 203.5.69.180 -
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The following objects form the collection of the author.  They are used here to help uncover the history of how
to:
The following objects form the collection of the author.  They are used here as an aid to insight about the history of calculating technology.
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The following objects form the collection of the author.  They are used here to help uncover the history of how

24 July 2013 by 203.5.69.180 -
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(:title Objects in collection Calculant:)
20 July 2013 by 124.170.43.18 -
20 July 2013 by 124.170.43.18 -
20 July 2013 by 124.170.43.18 -
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| [[Site.Introduction|The collection and the history of calculation]] >>
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* [[EncyclopediaBritannica1797|1797: Napier's Rods in "Inland Navigation", //Encyclopaedia Britannica//, 3rd Edition, 1797, plate CCCXLIV, Andrew Bell copperlplate. Original print article.]]
to:
* [[EncyclopediaBritannica1797|1797: Napier's Rods in "Inland Navigation", //Encyclopaedia Britannica//, 3rd Edition, 1797, plate CCCXLIV, Andrew Bell copperplate. Original print article.]]
18 July 2013 by 58.6.237.118 -
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* [[EncyclopediaBritannica1797|1797: Napier's Rods, Inland Navigation, Encyclopaedia Britannica, 3rd Edition, 1797, plate CCCXLIV, Andrew Bell copperlplate. Original print article.]]
to:
* [[EncyclopediaBritannica1797|1797: Napier's Rods in "Inland Navigation", //Encyclopaedia Britannica//, 3rd Edition, 1797, plate CCCXLIV, Andrew Bell copperlplate. Original print article.]]
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* [[EncyclopediaBritannica1797|1797: Napier's Rods, Inland Navigation, Encyclopedia Britannica, 3rd Edition, 1797, plate CCCXLIV, Andrew Bell copperlplate. Original print article.]]
to:
* [[EncyclopediaBritannica1797|1797: Napier's Rods, Inland Navigation, Encyclopaedia Britannica, 3rd Edition, 1797, plate CCCXLIV, Andrew Bell copperlplate. Original print article.]]
18 July 2013 by 58.6.237.118 -
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* [[EncyclopediaBritannica1797|1797: Napier's Rods, Inland Navigation, Encyclopedia Britannica, 3rd Edition, 1797, plate CCCXLIV, Andrew Bell copperlplate. collection Calculant.]]
to:
* [[EncyclopediaBritannica1797|1797: Napier's Rods, Inland Navigation, Encyclopedia Britannica, 3rd Edition, 1797, plate CCCXLIV, Andrew Bell copperlplate. Original print article.]]
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* [[EncyclopediaBritannica1797|1797: Napier's Rods, Inland Navigation, Encyclopedia Britannica, 3rd Edition, 1797, plate CCCXLIV, Andrew Bell copperlplate. collection Calculant.]]
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* [[Diderot1759|1759: Algebre et Arithmetique - Machine de Arithmetique de Pascal", Denis Diderot and Jean le Rond d’Alembert, //Encyclopédie ou Dictionnaire raisonné des sciences, des arts et des métiers//, First folio edition, 1759, Volume 22, Plate 2. (Hand coloured).
to:
* [[Diderot1759|1759: Algebre et Arithmetique - Machine de Arithmetique de Pascal", Denis Diderot and Jean le Rond d’Alembert, //Encyclopédie ou Dictionnaire raisonné des sciences, des arts et des métiers//, First folio edition, 1759, Volume 22, Plate 2. (Hand coloured).]]
17 July 2013 by 58.6.244.231 -
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* [[Diderot1759|1759: Algebre et Arithmetique - Machine de Arithmetique de Pascal", Denis Diderot and Jean le Rond d’Alembert, //Encyclopédie ou Dictionnaire raisonné des sciences, des arts et des métiers//, First folio edition, 1759, Volume 22, Plate 2. (Hand coloured).
Deleted line 220:
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Added lines 10-11:

* [[Pascaline 1652|'~1652': Blaise Pascal's "Pascaline" - replica based on surviving examples]]
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* [[Locke 1901|1901-1911: Locke Adder]]
to:
* [[Locke 1901|1905-1911: Locke Adder]]
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* [[Palmers Computing Scale ~1846|~1846: Palmer's Computing Scale and Fuller's Time Telegraph]]
to:
* [[Palmers Computing Scale ~1846|1847: Palmer's Computing Scale and Fuller's Time Telegraph, issue 4]]
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* [[Palmers Computing Scale ~1846|~1846: Palmer's Computing Scale and Fuller's Time Telegraph]]
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* [[Tavernier Gravet 1893-8|1893-8: Tavernier-Gravet, Slide Rule]]
to:
* [[Tavernier Gravet 1893-8|1893-8: Tavernier-Gravet, Slide Rule, cursor inscribed as presented in 1898]]
06 November 2012 by 58.6.229.215 -
Changed lines 135-136 from:
%thumb% http://metastudies.net/pmwiki/uploads/Millionair.png '+True Multiplying Calculators+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/BambergerOmega.png '+True Multiplying Calculators+'
Deleted line 214:
06 November 2012 by 58.6.229.215 -
Changed line 76 from:
%thumb% http://metastudies.net/pmwiki/uploads/SUPREMATHIC.jpg '+Circular Slide Rules+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Charpentier.jpg '+Circular Slide Rules+'
03 November 2012 by 58.96.77.111 -
Changed line 58 from:
* [[Tavernier Gravet 1893-8|1893-8: Tavernier Gravet, Slide Rule]]
to:
* [[Tavernier Gravet 1893-8|1893-8: Tavernier-Gravet, Slide Rule]]
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Changed line 58 from:
* [[Tavernier Gravet 1895-8|1893-8: Tavernier Gravet, Slide Rule]]
to:
* [[Tavernier Gravet 1893-8|1893-8: Tavernier Gravet, Slide Rule]]
02 November 2012 by 58.6.191.20 -
Changed line 58 from:
* [[Tavernier Gravet 1895-8|1895-8: Tavernier Gravet, Slide Rule]]
to:
* [[Tavernier Gravet 1895-8|1893-8: Tavernier Gravet, Slide Rule]]
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Added lines 58-59:
* [[Tavernier Gravet 1895-8|1895-8: Tavernier Gravet, Slide Rule]]
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* [[Locke 1901|~1901: Locke Adder]]
to:
* [[Locke 1901|1901-1911: Locke Adder]]
01 November 2012 by 58.6.191.20 -
Added lines 97-98:

* [[Locke 1901|~1901: Locke Adder]]
02 October 2012 by 94.66.101.99 -
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* [[Everard 1759|1759-69: Edward Roberts Everard Pattern Slide Rule]]
to:
* [[Everard 1759|1759-69: Edward Roberts Everard Pattern Gauger's Slide Rule]]
02 October 2012 by 94.66.101.99 -
Changed line 76 from:
* [[Calculimètre Charpentier ~1881:~1881: Charpentier Calculimètre  circular slide rule]]
to:
* [[Calculimètre Charpentier 1881|~1881: Charpentier Calculimètre  circular slide rule]]
02 October 2012 by 94.66.101.99 -
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* [[Calculimètre Charpentier ~1881:~1881: Charpentier Calculimètre  circular slide rule]]
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Added lines 60-61:
* [[Lawrence ~1948|~1948: Lawrence 10-G Cutting Speed Calculator]]
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* [[SEE 1968|1968 SEE Demonstration Adding Machine]]
to:
* [[SEE 1968|1968: SEE Demonstration Adding Machine]]
29 August 2012 by 1.125.85.66 -
Added lines 199-204:

* [[Hertzstark 1913|1913: Advertisement by Hertztark Co. for "Austria" Calculating Machine]]

* [[Comptometer Manual 1921|1921: Felt and Tarrant Comptometer Manual]]

* [[Monro 1937|1937: Advertisement for Monroe Calculators featuring Marching numbers]]
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* [[Add-O-Matic 1937|1937: Add-O-Matic Adding Machine]]
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* [[SEE 1968|1968 SEE Demonstration Adding Machine]]
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%thumb% http://metastudies.net/pmwiki/uploads/Webb.jpg '+Stylus operated Adders+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Webb.jpg '+Stylus or Slider operated Adders+'
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Changed line 5 from:
* [[Jeton 1480|1480-1520: French Jetton, Late Medieval]]
to:
* [[Jetton 1480|1480-1520: French Jeton, Late Medieval]]
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* [[Jetton 1480|1480-1520: French Jetton, Late Medieval]]
to:
* [[Jeton 1480|1480-1520: French Jetton, Late Medieval]]
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Added lines 4-5:

* [[Jetton 1480|1480-1520: French Jetton, Late Medieval]]
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Changed line 56 from:
* [[Keuffel and Esser 1908|1913-21: Keuffel & Esser 4088-3 serial 348119 Slide Rule]]
to:
* [[Keuffel and Esser ~1928|~1928: Keuffel & Esser 4088-3 serial 348119 Slide Rule]]
12 July 2012 by 203.5.69.180 -
Changed line 56 from:
* [[Keuffel and Esser 1908|1908: Keuffel & Esser 4088-3 22 Dec 1908 serial 348119 Slide Rule]]
to:
* [[Keuffel and Esser 1908|1913-21: Keuffel & Esser 4088-3 serial 348119 Slide Rule]]
11 July 2012 by 202.67.110.75 -
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* [[Der Zeitermittler ~1947|~1947 Der Zeitlermittler]]
to:
* [[Der Zeitermittler ~1947|~1947 Der Zeitermittler]]
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* [[Der Zeitermittler ~1947|~1947 Der Zeitlermittler]]
05 July 2012 by 58.6.185.246 -
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Changed line 190 from:
* [[Rechenmachinen1901|1901: "Rechenmachinen ["Calculating Machines" trs.] Bibliogr. Institut in Leipzig, //Zum Art "Rechenmaschinen"// (Bld. 21). Original wood engraved plate, pp. 1-2.]] showing engravings of calculating machines by Pascal, Leibniz, Steiger and Egli (Millionaire), Burroughs, Thomas de Colmar, Brunsviga, and J. H. Müller.
to:
* [[Rechenmachinen1901|1901: "Rechenmachinen ["Calculating Machines" trs.] Bibliogr. Institut in Leipzig, //Zum Art "Rechenmaschinen"// (Bld. 21). Original wood engraved plate, pp. 1-2.]] showing engravings of calculating machines by Pascal, Leibniz, Steiger and Egli (Millionaire), Burroughs, Burkhard, Brunsviga, and J. H. Müller.
05 July 2012 by 58.6.185.246 -
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* [[Calculi 1577|1577: Calculi Ordinum Belgii, Port Salu]]
to:
* [[Calculi 1577|1577: Calculi Ordinum Belgii, "Port Salu"]]
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* [[Bollee1890|1890: Article on the Leon Bollee Calculating Machine, "A New Calculating Machine of very General Applicability", //The Manufacturer and Builder//. Original print article.]]
to:
* [[Bollee1890|1890: Leon Bollée Calculating Machine, "A New Calculating Machine of very General Applicability", //The Manufacturer and Builder//, July 1890, p. 156. Original print article.]]
04 July 2012 by 58.6.185.246 -
Added lines 191-192:

* [[HP-Scientific American 1973|1973: "HP Measurement/Computation:changing things for the better", //Scientific American//, July 1973, pp. 6-7. Original print article.]] Two full page advertisement for the HP-35, HP-45 and HP-46 scientific calculators.
04 July 2012 by 58.6.185.246 -
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* [[Rechenmachinen1901| "Rechenmachinen ["Calculating Machines" trs.] Bibliogr. Institut in Leipzig, //Zum Art "Rechenmaschinen"// (Bld. 21). Original wood engraved plate, pp. 1-2.]] showing engravings of calculating machines by Pascal, Leibniz, Steiger and Egli (Millionaire), Burroughs, Thomas de Colmar, Brunsviga, and J. H. Müller.
to:
* [[Rechenmachinen1901|1901: "Rechenmachinen ["Calculating Machines" trs.] Bibliogr. Institut in Leipzig, //Zum Art "Rechenmaschinen"// (Bld. 21). Original wood engraved plate, pp. 1-2.]] showing engravings of calculating machines by Pascal, Leibniz, Steiger and Egli (Millionaire), Burroughs, Thomas de Colmar, Brunsviga, and J. H. Müller.
04 July 2012 by 58.6.185.246 -
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* [[Rechenmachinen1901| "Rechenmachinen ["Calculating Machines" trs.] Bibliogr. Institut in Leipzig, //Zum Art "Rechenmaschinen"// (Bld. 21). Original wood engraved plate, pp. 1-2.]] showing engravings of calculating machines by Pascal, Leibniz, Steiger and Egli (Millionaire), Burroughs, Thomas de Colmar, Brunsviga, and J. H. M ûller.
to:
* [[Rechenmachinen1901| "Rechenmachinen ["Calculating Machines" trs.] Bibliogr. Institut in Leipzig, //Zum Art "Rechenmaschinen"// (Bld. 21). Original wood engraved plate, pp. 1-2.]] showing engravings of calculating machines by Pascal, Leibniz, Steiger and Egli (Millionaire), Burroughs, Thomas de Colmar, Brunsviga, and J. H. Müller.
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Changed lines 184-185 from:
* [[Bollee1890|1890: Article on the Leon Bollee Calculating Machine, "A New Calculating Machine of very General Applicability", //The Manufacturer and Builder//, original print article.]]
to:
* [[Scheutz1855|1855: "Messrs. Scheutz's New Calculating Machine", //The Illustrated London News//, 30 June 1855, p. 661. Original print article.]]

* [[Bollee1890|1890: Article on the Leon Bollee Calculating Machine, "A New Calculating Machine of very General Applicability", //The Manufacturer and Builder//. Original
print article.]]
Added lines 189-190:

* [[Rechenmachinen1901| "Rechenmachinen ["Calculating Machines" trs.] Bibliogr. Institut in Leipzig, //Zum Art "Rechenmaschinen"// (Bld. 21). Original wood engraved plate, pp. 1-2.]] showing engravings of calculating machines by Pascal, Leibniz, Steiger and Egli (Millionaire), Burroughs, Thomas de Colmar, Brunsviga, and J. H. M ûller.
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* [[Comptometer "Woodie" 1896|Sept 1896: Felt and Tarrant Comptometer: Earliest - wood-cased “Woodie” model, serial 2491]]
to:
* [[ComptometerWoodie1896|Sept 1896: Felt and Tarrant Comptometer: Earliest - wood-cased “Woodie” model, serial 2491]]
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* [[Joseph Long 1821-84|1821-84: Joseph Long, London, Alcohol Proof Index Slide Rule]]
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* [[Calculi 1577|1577: Calculi Ordinim Belgii, Port Salu]]
to:
* [[Calculi 1577|1577: Calculi Ordinum Belgii, Port Salu]]
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* [[Calculi 1577|1577: Calculi Ordinim of Port Salu, Belgium]]
to:
* [[Calculi 1577|1577: Calculi Ordinim Belgii, Port Salu]]
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* [[Calculi 1577|1577: Calculi Ordinim of Port Salu, Belgium]]
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* [[Bloch Schnellkalkulator 1919 |~1919: Bloch Schnellkalkulator]]
to:
* [[Bloch Schnellkalkulator 1924 |~1924: Bloch Schnellkalkulator]]
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%thumb% http://metastudies.net/pmwiki/uploads/Bloch1.jpg '+Proportional Graphical Calculators+'
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%thumb% http://metastudies.net/pmwiki/uploads/Bloch1.jpg '+Proportional Nomographic Calculators+'
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%thumb% http://metastudies.net/pmwiki/uploads/SUPREMATHIC.jpg '+Proportional Graphical Calculators+'
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%thumb% http://metastudies.net/pmwiki/uploads/Bloch1.jpg '+Proportional Graphical Calculators+'
12 June 2012 by 58.6.185.246 -
Added lines 73-77:


%thumb% http://metastudies.net/pmwiki/uploads/SUPREMATHIC.jpg '+Proportional Graphical Calculators+'

* [[Bloch Schnellkalkulator 1919 |~1919: Bloch Schnellkalkulator]]
01 June 2012 by 58.96.77.111 -
Added lines 31-32:

* [[Henri Morin ~1880|~1880 Set of Proportional Dividers and other Mathematical Drawing Instruments by Henri Morin, Paris]]
26 May 2012 by 58.96.77.111 -
Changed line 87 from:
* [[Scribola 1922|1922: Scribola 10 register printing Adding Machine]]
to:
* [[Scribola 1922|1922: Scribola 10 column printing Adding Machine]]
26 May 2012 by 58.96.77.111 -
Added lines 86-87:

* [[Scribola 1922|1922: Scribola 10 register printing Adding Machine]]
26 May 2012 by 58.96.77.111 -
Added lines 3-4:
* [[Abacus|Abacus (Chinese, contemporary)]]
Deleted lines 5-6:

* [[Abacus|Abacus (Chinese, contemporary)]]
20 May 2012 by 58.96.77.111 -
Changed line 30 from:
* [[Jefferys 1750-1800|~1750-1800 Original print of drawings of Dividers and other Instruments by T. Jefferys]]
to:
* [[Jefferys 1750-1800|~1750-1800 Early print of drawings of Dividers and other Instruments by T. Jefferys]]
20 May 2012 by 58.96.77.111 -
Changed line 30 from:
* [[Jefferys 1750-1800|~1750-1800 Print of drawings of Dividers and other Instruments by T. Jefferys]]
to:
* [[Jefferys 1750-1800|~1750-1800 Original print of drawings of Dividers and other Instruments by T. Jefferys]]
19 May 2012 by 58.96.77.111 -
Changed line 30 from:
* [[Jefferys 1750-1800|~150-1800 Print of drawings of Dividers and other Instruments by T. Jefferys]]
to:
* [[Jefferys 1750-1800|~1750-1800 Print of drawings of Dividers and other Instruments by T. Jefferys]]
19 May 2012 by 58.96.77.111 -
Added lines 29-30:

* [[Jefferys 1750-1800|~150-1800 Print of drawings of Dividers and other Instruments by T. Jefferys]]
16 May 2012 by 58.6.191.64 -
Changed line 28 from:
* [[Dividers C18|~1740-1790: Dividers - made in England]]
to:
* [[Dividers C18|~1740-1810: 2 Pairs of Dividers - made in England]]
16 May 2012 by 58.6.191.64 -
Changed lines 22-23 from:
%thumb% http://metastudies.net/pmwiki/uploads/ButterfieldSector.png '+Sectors+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/ButterfieldSector.png '+Sectors and Dividers+'
Added lines 27-28:

* [[Dividers C18|~1740-1790: Dividers - made in England]]
01 May 2012 by 58.6.191.64 -
Changed line 33 from:
%thumb% http://metastudies.net/pmwiki/uploads/Everard.jpg '+Gunter's Proportional Rule+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/GunterRule.jpg '+Gunter's Proportional Rule+'
01 May 2012 by 58.6.191.64 -
Added line 7:
Added line 16:
Added line 21:
Changed lines 32-33 from:
%thumb% http://metastudies.net/pmwiki/uploads/Everard.jpg '+Slide Rules+'
to:

%thumb% http://metastudies.net/pmwiki/uploads/Everard.jpg '+Gunter's Proportional Rule+'
Added lines 37-41:
* [[GunterRule1836|1831-1843: Gunter rule for navigation by Belcher and Bros, New York, New York]]


%thumb% http://metastudies.net/pmwiki/uploads/Everard.jpg '+Slide Rules+'

Added line 50:
Added line 59:
Added line 68:
Added line 85:
Added line 90:
Added line 108:
Added line 115:
Added line 128:
Added line 139:
Added line 148:
Added line 154:
18 February 2012 by Jim Falk -
Changed line 85 from:
* [[site.Madas-IX-Maxima|~1917: Madas IX Maxima calculator, serial 5532]]
to:
* [[site.Madas-IX-Maxima|1917: Madas IX Maxima calculator, serial 5532]]
18 February 2012 by Jim Falk -
Changed line 85 from:
* [[site.Madas-IX-Maxima|~1918: Madas IX Maxima calculator, serial 5532]]
to:
* [[site.Madas-IX-Maxima|~1917: Madas IX Maxima calculator, serial 5532]]
18 February 2012 by Jim Falk -
Changed line 85 from:
* [[site.Madas-IX-Maxima|~1913-1930s: Madas IX Maxima calculator, serial 5532]]
to:
* [[site.Madas-IX-Maxima|~1918: Madas IX Maxima calculator, serial 5532]]
18 February 2012 by Jim Falk -
Deleted lines 82-83:
* [[site.Madas-IX-Maxima|~1911: Madas IX Maxima calculator, serial 5532]]
Added lines 84-86:

* [[site.Madas-IX-Maxima|~1913-1930s: Madas IX Maxima calculator, serial 5532]]

18 February 2012 by Jim Falk -
Changed line 83 from:
* [[site.Madas-IX-Maxima|~1911: Madas IX Maxima calculator]]
to:
* [[site.Madas-IX-Maxima|~1911: Madas IX Maxima calculator, serial 5532]]
18 February 2012 by Jim Falk -
Added lines 82-83:

* [[site.Madas-IX-Maxima|~1911: Madas IX Maxima calculator]]
16 January 2012 by Jim Falk -
Changed line 103 from:
* [[Original Ohdner 39 1950|~1950: Original Ohdner Model 39, Calculator serial 39-288965]]
to:
* [[Original Ohdner 39-1951|~1951: Original Ohdner Model 39, Calculator serial 39-288965]]
16 January 2012 by Jim Falk -
Added lines 101-102:
* [[Facit 1945|1945: Facit Model S Calculator serial 210652]]
Deleted lines 103-104:

* [[Facit 1945|1945: Facit Model S Calculator serial 210652]]
16 January 2012 by Jim Falk -
Changed line 101 from:
* [[Original Ohdner M-602-7|~1930?: Original Ohdner Model M-602 No 7, Calculator serial 288965]]
to:
* [[Original Ohdner 39 1950|~1950: Original Ohdner Model 39, Calculator serial 39-288965]]
15 January 2012 by Jim Falk -
Changed line 101 from:
* [[Original Ohdner 1938|~1930?: Original Ohdner Model M-602 No 7, Calculator serial 288965]]
to:
* [[Original Ohdner M-602-7|~1930?: Original Ohdner Model M-602 No 7, Calculator serial 288965]]
15 January 2012 by Jim Falk -
Changed line 101 from:
* [[Original Ohdner M-602-7|~1930?: Original Ohdner Model M-602 No 7, Calculator serial 288965]]
to:
* [[Original Ohdner 1938|~1930?: Original Ohdner Model M-602 No 7, Calculator serial 288965]]
15 January 2012 by Jim Falk -
Changed line 101 from:
* [[Original Ohdner 1938|~1930?: Original Ohdner Model M-602 No 7, Calculator serial 288965]]
to:
* [[Original Ohdner M-602-7|~1930?: Original Ohdner Model M-602 No 7, Calculator serial 288965]]
15 January 2012 by Jim Falk -
Changed line 101 from:
* [[Original Ohdner 1938|~1938: Original Ohdner Model 27 Calculator serial 288965]]
to:
* [[Original Ohdner 1938|~1930?: Original Ohdner Model M-602 No 7, Calculator serial 288965]]
13 January 2012 by Jim Falk -
Added lines 100-101:

* [[Original Ohdner 1938|~1938: Original Ohdner Model 27 Calculator serial 288965]]
12 January 2012 by 58.6.184.54 -
Changed line 89 from:
* [[Millionaire 1912|1912: Millionaire Calculating Machine serial 2015 (10 digits)]]
to:
* [[Millionaire 1912|1912: Millionaire Calculating Machine serial 2015 (10x10x20)]]
12 January 2012 by 58.6.184.54 -
Changed line 89 from:
* [[Millionaire 1912|1912: Millionaire Calculating Machine serial 2015 (10 registers)]]
to:
* [[Millionaire 1912|1912: Millionaire Calculating Machine serial 2015 (10 digits)]]
12 January 2012 by 58.6.184.54 -
Changed line 89 from:
* [[Millionaire 1912|1912: Millionaire Calculating Machine serial 2015]]
to:
* [[Millionaire 1912|1912: Millionaire Calculating Machine serial 2015 (10 registers)]]
05 January 2012 by 211.27.71.54 -
04 January 2012 by 58.96.77.111 -
Changed line 140 from:
%thumb% http://metastudies.net/pmwiki/uploads/LightningBooklet.png '+Ephemerae+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/BolleeClip.jpg '+Ephemerae+'
04 January 2012 by 58.96.77.111 -
Changed lines 3-4 from:
* [[Schickard 1623|'1623': Schickard's Calculating Clock - reconstruction from surviving manuscript]]
to:
* [[Schickard 1623|'1623': Schickard's "Calculating Clock" - reconstruction from surviving manuscript]]
Changed line 15 from:
%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+ The first "Computer Manual"?+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+ The first 'Computer Manual'?+'
04 January 2012 by 58.96.77.111 -
Changed line 57 from:
%thumb% http://metastudies.net/pmwiki/uploads/Webb.jpg '+Stylus Operated Adders+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Webb.jpg '+Stylus operated Adders+'
04 January 2012 by 58.96.77.111 -
Changed line 57 from:
%thumb% http://metastudies.net/pmwiki/uploads/Webb.jpg '+Stylus Operated Devices+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Webb.jpg '+Stylus Operated Adders+'
04 January 2012 by 58.96.77.111 -
Changed lines 57-58 from:
%thumb% http://metastudies.net/pmwiki/uploads/Webb.jpg '+Troncet Type Devices+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Webb.jpg '+Stylus Operated Devices+'
Changed line 69 from:
* [[Addiator 1920|1920: Addiator]]
to:
* [[Addiator 1920|1920: Addiator Troncet adder]]
04 January 2012 by 58.96.77.111 -
Changed line 3 from:
* [[Schickard 1623|'1623': Schickard's Calulating Clock - contemporary reconstruction from surviving manuscript]]
to:
* [[Schickard 1623|'1623': Schickard's Calculating Clock - reconstruction from surviving manuscript]]
04 January 2012 by 58.96.77.111 -
Changed line 3 from:
* [[Schickard 1623|'1623': Contemporary German reconstruction of 1623 Schickard Calculator from surviving manuscript]]
to:
* [[Schickard 1623|'1623': Schickard's Calulating Clock - contemporary reconstruction from surviving manuscript]]
04 January 2012 by 58.96.77.111 -
04 January 2012 by 58.96.77.111 -
Changed line 11 from:
* [[Gardiner 1783|1783: //Tables Portatives de Logarithmes, by Gardiner improved and perfected in their disposition// by M. Callet]]
to:
* [[Gardiner 1783|1783: //Tables Portatives de Logarithmes, by Gardiner improved and perfected in their disposition by M. Callet//]]
04 January 2012 by 58.96.77.111 -
Changed lines 9-14 from:
* [[Henrion 1626|1626: Dennis Henrion: 1626 Dennis Henrion: Traicté de logarithmes]]

* [[Gardiner 1783|1783: Tables Portatives de Logarithmes, by Gardiner improved and perfected in their disposition by M. Callet]]

* [[Ropp 1892|1892: Ropp's Commercial Calculator Book, World's Fair Edition]]
to:
* [[Henrion 1626|1626: Dennis Henrion: //Traicté de logarithmes//]]

* [[Gardiner 1783|1783: //Tables Portatives de Logarithmes, by Gardiner improved and perfected in their disposition// by M. Callet]]

* [[Ropp 1892|1892: //Ropp's Commercial Calculator Book//, World's Fair Edition]]
Changed line 17 from:
* [[Morland 1672|1672: Morland (Samuel) A New, and most useful Instrument for Addition and Subtraction of Pounds, Shillings, Pence, and Farthings]]
to:
* [[Morland 1672|1672: Morland (Samuel) //A New, and most useful Instrument for Addition and Subtraction of Pounds, Shillings, Pence, and Farthings//]]
04 January 2012 by 58.96.77.111 -
Changed line 3 from:
* [[Schickard 1623|1623: Contemporary German reconstruction of 1623 Schickard Calculator from surviving manuscript]]
to:
* [[Schickard 1623|'1623': Contemporary German reconstruction of 1623 Schickard Calculator from surviving manuscript]]
03 January 2012 by 58.96.77.111 -
Changed line 1 from:
'+First Devices+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Schickard1.jpg '+First Devices+'
03 January 2012 by 58.96.77.111 -
Changed line 33 from:
* [[SlideRuleDesign1670|1727: Designs of 3 Logarithmic Rules 1626-1726 (as described by Jacob Leupold 1727) ]]
to:
* [[ThreeSlideRuleDesigns1727|1727: Designs of 3 Logarithmic Rules 1626-1726 (as described by Jacob Leupold 1727) ]]
02 January 2012 by 58.179.159.32 -
Changed line 144 from:
* [[Lightning booklet 2|Booklet on “How to Become a Lightning Calculator”, No. 2]]
to:
* [[Lightning booklet 2|1873-1928: Booklet on “How to Become a Lightning Calculator”, No. 2]]
02 January 2012 by 58.179.159.32 -
Changed line 33 from:
* [[SlideRuleDesign1670|1727: Earlier logarithmic rule designs (described by Jacob Leupold 1727) ]]
to:
* [[SlideRuleDesign1670|1727: Designs of 3 Logarithmic Rules 1626-1726 (as described by Jacob Leupold 1727) ]]
02 January 2012 by 58.179.159.32 -
Changed line 33 from:
* [[SlideRuleDesign1670|1727: Early logarithmic rule designs (described by Jacob Leupold 1727) ]]
to:
* [[SlideRuleDesign1670|1727: Earlier logarithmic rule designs (described by Jacob Leupold 1727) ]]
02 January 2012 by 58.179.159.32 -
Changed line 33 from:
* [[SlideRuleDesign1670|~1670: Design of a Logarithmic Slide Rule]]
to:
* [[SlideRuleDesign1670|1727: Early logarithmic rule designs (described by Jacob Leupold 1727) ]]
02 January 2012 by 58.179.152.171 -
02 January 2012 by 58.96.77.111 -
Changed line 31 from:
* [[GunterHenrion1626|1626: Design of a Logarithmic Proportional Rule from Gunter 1624]]
to:
* [[GunterHenrion1626|1626: Design of a Logarithmic Proportional Rule (following Gunter 1624)]]
02 January 2012 by 58.96.77.111 -
Changed line 33 from:
* [[SlideRuleDesign1670|Design of a Logarithmic Slide Rule ~1670]]
to:
* [[SlideRuleDesign1670|~1670: Design of a Logarithmic Slide Rule]]
02 January 2012 by 58.96.77.111 -
Added lines 30-33:

* [[GunterHenrion1626|1626: Design of a Logarithmic Proportional Rule from Gunter 1624]]

* [[SlideRuleDesign1670|Design of a Logarithmic Slide Rule ~1670]]
17 December 2011 by Jim Falk -
Added lines 3-4:
* [[Schickard 1623|1623: Contemporary German reconstruction of 1623 Schickard Calculator from surviving manuscript]]
Deleted lines 5-6:

* [[Schickard 1623|1623: Contemporary German reconstruction of 1623 Schickard Calculator from surviving manuscript]]
17 December 2011 by Jim Falk -
Added lines 1-6:
'+First Devices+'

* [[Abacus|Abacus (Chinese, contemporary)]]

* [[Schickard 1623|1623: Contemporary German reconstruction of 1623 Schickard Calculator from surviving manuscript]]

Deleted lines 13-18:

'+First Devices+'

* [[Abacus|Abacus (Chinese, contemporary)]]

* [[Schickard 1623|1623: Contemporary German reconstruction of 1623 Schickard Calculator from surviving manuscript]]
17 December 2011 by Jim Falk -
Added lines 60-61:

* [[Adall 1910|~1910 Adall Concentric-disk Adding Machine]]
11 December 2011 by Jim Falk -
Changed line 1 from:
%thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '+Logarithmic and Tables and  Ready Reckoners+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '+Logarithmic Tables, and  Ready Reckoners+'
11 December 2011 by Jim Falk -
Changed line 1 from:
%thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '+Logarithmic and other supporting Tables+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '+Logarithmic and Tables and  Ready Reckoners+'
11 December 2011 by Jim Falk -
Changed line 1 from:
%thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '+Logarithmic Tables+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '+Logarithmic and other supporting Tables+'
11 December 2011 by Jim Falk -
Added lines 6-7:

* [[Ropp 1892|1892: Ropp's Commercial Calculator Book, World's Fair Edition]]
11 December 2011 by Jim Falk -
Changed lines 1-5 from:
||border=1 width=80%
|| %
thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '   ||  %thumb% http://metastudies.net/pmwiki/uploads/Gardiner.png '  ||

'+Logarithmic Tables+'
%thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '
to:
%thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '+Logarithmic Tables+'
11 December 2011 by Jim Falk -
Changed lines 1-4 from:
+Logarithmic Tables+'
to:
||border=1 width=80%
|| %thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '  ||  %thumb% http://metastudies.net/pmwiki/uploads/Gardiner.png '  ||

'
+Logarithmic Tables+'
11 December 2011 by Jim Falk -
Changed lines 1-2 from:
%thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '+Logarithmic Tables+'
to:
+Logarithmic Tables+'
%thumb%
http://metastudies.net/pmwiki/uploads/Henrion.png '
11 December 2011 by Jim Falk -
Changed line 19 from:
* [[Butterfield Sector 1700|1675- 1715: Brass French Gunnery Sector by Michael Butterfield, Paris]]
to:
* [[Butterfield Sector 1700|1675-1715: Brass French Gunnery Sector by Michael Butterfield, Paris]]
10 December 2011 by Jim Falk -
Deleted lines 9-10:

* [[Astrolabe|Astrolabe (Islamic, Malayan? before C17? - date under investigation)]]
10 December 2011 by Jim Falk -
Changed line 77 from:
* [[Bunzel Prototype 1913|~1913: Bunzel-Denton Arithmometer Prototype]]
to:
* [[Bunzel Prototype 1913|~1913: Bunzel-Denton Arithmometer Prototype with crank moved to front]]
09 December 2011 by Jim Falk -
Changed line 11 from:
* [[Astrolabe|Astrolabe (Islamic, Malayan? C14? - date under investigation)]]
to:
* [[Astrolabe|Astrolabe (Islamic, Malayan? before C17? - date under investigation)]]
09 December 2011 by Jim Falk -
Changed line 11 from:
* [[Astrolabe|Astrolabe (C14? - date under investigation)]]
to:
* [[Astrolabe|Astrolabe (Islamic, Malayan? C14? - date under investigation)]]
09 December 2011 by Jim Falk -
09 December 2011 by Jim Falk -
Changed line 11 from:
* [[Astrolabe|Astrolabe - date under investigation]]
to:
* [[Astrolabe|Astrolabe (C14? - date under investigation)]]
09 December 2011 by Jim Falk -
Changed line 11 from:
* [[Astrolabe|Astrolabe - dating in progress]]
to:
* [[Astrolabe|Astrolabe - date under investigation]]
09 December 2011 by Jim Falk -
Added lines 10-11:

* [[Astrolabe|Astrolabe - dating in progress]]
09 December 2011 by Jim Falk -
08 December 2011 by Jim Falk -
Deleted lines 40-41:
%thumb% http://metastudies.net/pmwiki/uploads/Fowler.jpg '+Circular Slide Rules+'
Added lines 42-43:

%thumb% http://metastudies.net/pmwiki/uploads/SUPREMATHIC.jpg '+Circular Slide Rules+'
08 December 2011 by Jim Falk -
Changed line 71 from:
* [[Thomas de Colmar 1884|1884: Thomas de Colmar Arithmometer Model T1878 B, serial 2083]]
to:
* [[Thomas De Colmar 1884|1884: Thomas de Colmar Arithmometer Model T1878 B, serial 2083]]
08 December 2011 by Jim Falk -
Changed line 77 from:
%thumb% http://metastudies.net/pmwiki/uploads/Millionair.png' +True Multiplying Calculators+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Millionair.png '+True Multiplying Calculators+'
08 December 2011 by Jim Falk -
Changed lines 123-124 from:
'+Electronic Calculators+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/HP35.jpg '+Electronic Calculators+'
Changed line 132 from:
'+Ephemerae+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/LightningBooklet.png '+Ephemerae+'
08 December 2011 by Jim Falk -
Changed line 117 from:
%thumb% http://metastudies.net/pmwiki/uploads/HertzstarkArithmometer.png' +Motorised Calculating Machines+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/HerzstarkArithmometer.png '+Motorised Calculating Machines+'
08 December 2011 by Jim Falk -
Changed lines 83-84 from:
%thumb% http://metastudies.net/pmwiki/uploads/Mercedes.png '+Proportional Rack Calculators+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/MercedesDemo.png '+Proportional Rack Calculators+'
Changed line 117 from:
%thumb% http://metastudies.net/pmwiki/uploads/HertzstarkArithmometer.png'+Motorised Calculating Machines+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/HertzstarkArithmometer.png' +Motorised Calculating Machines+'
08 December 2011 by Jim Falk -
Changed lines 109-110 from:
%thumb% http://metastudies.net/pmwiki/uploads/Curta-1-1948.png' +Curta Calculators+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Curta1-1948.png '+Curta Calculators+'
Changed line 117 from:
'+Motorised Calculating Machines+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/HertzstarkArithmometer.png'+Motorised Calculating Machines+'
08 December 2011 by Jim Falk -
Changed line 109 from:
'+Curta Calculators+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Curta-1-1948.png' +Curta Calculators+'
08 December 2011 by Jim Falk -
Changed lines 69-70 from:
%thumb% http://metastudies.net/pmwiki/uploads/ThomasDeColmar.jpg' +Arithmometers+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/ThomasDeColmar.jpg '+Arithmometers+'
Changed lines 77-78 from:
'+True Multiplying Calculators+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Millionair.png' +True Multiplying Calculators+'
Changed lines 83-84 from:
'+Proportional Rack Calculators+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Mercedes.png '+Proportional Rack Calculators+'
Changed lines 89-90 from:
'+Pinwheel Calculators+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Brunsviga1896.png '+Pinwheel Calculators+'
Changed line 99 from:
'+Comptometers+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/ComptometerWoodie.png '+Comptometers+'
08 December 2011 by Jim Falk -
Changed lines 65-66 from:
%thumb% http://metastudies.net/pmwiki/uploads/Adix.png' +Keyboard Adding Machines+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Adix.png '+Keyboard Adding Machines+'
Changed line 69 from:
'+Arithmometers+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/ThomasDeColmar.jpg' +Arithmometers+'
08 December 2011 by Jim Falk -
Changed lines 51-52 from:
%thumb% http://metastudies.net/pmwiki/uploads/Webb.jpg' +Troncet Type Devices+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Webb.jpg '+Troncet Type Devices+'
Changed line 65 from:
'+Keyboard Adding Machines+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Adix.png' +Keyboard Adding Machines+'
08 December 2011 by Jim Falk -
Changed line 51 from:
%thumb% http://metastudies.net/pmwiki/uploads/Webb.png' +Troncet Type Devices+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Webb.jpg' +Troncet Type Devices+'
08 December 2011 by Jim Falk -
Changed lines 35-36 from:
%thumb% http://metastudies.net/pmwiki/uploads/Thacher.jpg' +Cylindrical Slide Rules+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Thacher.jpg '+Cylindrical Slide Rules+'
Changed lines 41-42 from:
%thumb% http://metastudies.net/pmwiki/uploads/Fowler.jpg' +Circular Slide Rules+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Fowler.jpg '+Circular Slide Rules+'
Changed line 51 from:
'+Troncet Type Devices+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Webb.png' +Troncet Type Devices+'
08 December 2011 by Jim Falk -
Changed lines 27-28 from:
%thumb% http://metastudies.net/pmwiki/uploads/Everard.jpg' +Slide Rules+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Everard.jpg '+Slide Rules+'
Changed lines 35-36 from:
'+Cylindrical Slide Rules+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Thacher.jpg' +Cylindrical Slide Rules+'
Changed line 41 from:
'+Circular Slide Rules+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Fowler.jpg' +Circular Slide Rules+'
08 December 2011 by Jim Falk -
Changed line 27 from:
%thumb% http://metastudies.net/pmwiki/uploads/Thacher.png' +Slide Rules+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Everard.jpg' +Slide Rules+'
08 December 2011 by Jim Falk -
Changed lines 17-18 from:
' %thumb% http://metastudies.net/pmwiki/uploads/ButterfieldSector.png' +Sectors+
to:
%thumb% http://metastudies.net/pmwiki/uploads/ButterfieldSector.png '+Sectors+'
Changed line 27 from:
'+Slide Rules+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Thacher.png' +Slide Rules+'
08 December 2011 by Jim Falk -
Changed line 23 from:
'+Conversion Devices+'
to:
%thumb% http://metastudies.net/pmwiki/uploads/Convertiseur.png '+Conversion Devices+'
08 December 2011 by Jim Falk -
Changed line 17 from:
' %thumb% http://metastudies.net/pmwiki/uploads/ButterfieldSector.png'+Sectors+
to:
' %thumb% http://metastudies.net/pmwiki/uploads/ButterfieldSector.png' +Sectors+
08 December 2011 by Jim Falk -
Changed line 17 from:
'+Sectors+' %thumb% http://metastudies.net/pmwiki/uploads/ButterfieldSector.png
to:
' %thumb% http://metastudies.net/pmwiki/uploads/ButterfieldSector.png'+Sectors+
08 December 2011 by Jim Falk -
Changed lines 1-2 from:
'+Logarithmic Tables+' %thumb% http://metastudies.net/pmwiki/uploads/Henrion.png
to:
%thumb% http://metastudies.net/pmwiki/uploads/Henrion.png '+Logarithmic Tables+'
Changed line 13 from:
'+ The first "Computer Manual"?+' %thumb% http://metastudies.net/pmwiki/uploads/Morland2.png
to:
%thumb% http://metastudies.net/pmwiki/uploads/Morland2.png '+ The first "Computer Manual"?+'
08 December 2011 by Jim Falk -
Changed line 17 from:
'+Sectors+' %thumb% http://metastudies.net/pmwiki/uploads/Butterfield.png
to:
'+Sectors+' %thumb% http://metastudies.net/pmwiki/uploads/ButterfieldSector.png
08 December 2011 by Jim Falk -
Changed lines 13-14 from:
'+ The first "Computer Manual"?+' %thumb% http://metastudies.net/pmwiki/uploads/Morland.png
to:
'+ The first "Computer Manual"?+' %thumb% http://metastudies.net/pmwiki/uploads/Morland2.png
Changed line 17 from:
'+Sectors+'
to:
'+Sectors+' %thumb% http://metastudies.net/pmwiki/uploads/Butterfield.png
08 December 2011 by Jim Falk -
Changed lines 1-2 from:
'+Logarithmic Tables+'
to:
'+Logarithmic Tables+' %thumb% http://metastudies.net/pmwiki/uploads/Henrion.png
Changed line 13 from:
'+ The first "Computer Manual"?+'
to:
'+ The first "Computer Manual"?+' %thumb% http://metastudies.net/pmwiki/uploads/Morland.png
08 December 2011 by Jim Falk -
Changed line 3 from:
* [[Henrion 1626|1626: Dennis Henrion: 1626 Dennis Henrion: Traicté de logarithmes]]
to:
* [[Henrion 1626|1626: Dennis Henrion: 1626 Dennis Henrion: Traicté de logarithmes]] 
08 December 2011 by Jim Falk -
Changed line 127 from:
* [[HP-45 1973|December 1973: Hewlett Packard HP 45 Calculator serial 1350A 36719, 1973]]
to:
* [[HP-45-1973|December 1973: Hewlett Packard HP 45 Calculator serial 1350A 36719, 1973]]
08 December 2011 by Jim Falk -
Changed line 125 from:
* [[HP-35 1972|July1972: Hewlett Packard HP 35 Calculator serial 1230A 79429, 1972 (second version)]]
to:
* [[HP-35-1972|July1972: Hewlett Packard HP 35 Calculator serial 1230A 79429, 1972 (second version)]]
08 December 2011 by Jim Falk -
Changed line 115 from:
* [[Curta 2 1963|1963: CURTA Type II calculator with Leather Case,  serial 554765]]
to:
* [[Curta-2-1963|1963: CURTA Type II calculator with Leather Case,  serial 554765]]
08 December 2011 by Jim Falk -
Changed line 113 from:
* [[Curta 1 1967|1967: CURTA Type I calculator serial 76436, near mint, with original case, cardboard box and instructions]]
to:
* [[Curta-1-1967|1967: CURTA Type I calculator serial 76436, near mint, with original case, cardboard box and instructions]]
08 December 2011 by Jim Falk -
Changed line 111 from:
* [[Curta_1_1948|~July 1948: CURTA Type 1 (pin sliders) earliest model calculator serial 5424]]
to:
* [[Curta-1-1948|~July 1948: CURTA Type 1 (pin sliders) earliest model calculator serial 5424]]
08 December 2011 by Jim Falk -
08 December 2011 by Jim Falk -
Changed line 111 from:
* [[Curta 1 1948|~July 1948: CURTA Type 1 (pin sliders) earliest model calculator serial 5424]]
to:
* [[Curta_1_1948|~July 1948: CURTA Type 1 (pin sliders) earliest model calculator serial 5424]]
07 December 2011 by Jim Falk -
Changed line 13 from:
'+ The first "Computer Manual"+'
to:
'+ The first "Computer Manual"?+'
07 December 2011 by Jim Falk -
Changed line 31 from:
* [[Keuffel and Esser 1903|1908: Keuffel & Esser 4088-3 22 Dec 1908 serial 348119 Slide Rule]]
to:
* [[Keuffel and Esser 1908|1908: Keuffel & Esser 4088-3 22 Dec 1908 serial 348119 Slide Rule]]
07 December 2011 by Jim Falk -
Changed line 31 from:
* [[K&E 1903|1908: Keuffel & Esser 4088-3 22 Dec 1908 serial 348119 Slide Rule]]
to:
* [[Keuffel and Esser 1903|1908: Keuffel & Esser 4088-3 22 Dec 1908 serial 348119 Slide Rule]]
05 December 2011 by Jim Falk -
Changed line 3 from:
* [[Henrion 1662|1662: Dennis Henrion: 1626 Dennis Henrion: Traicté de logarithmes]]
to:
* [[Henrion 1626|1626: Dennis Henrion: 1626 Dennis Henrion: Traicté de logarithmes]]
05 December 2011 by Jim Falk -
Changed line 134 from:
* [[Bollee1890|1890: Article on the Leon Bollee Calculating Machine, "A New Calculating Machine of very General Applicability", //The Manufacturer and Builder//, original print article.
to:
* [[Bollee1890|1890: Article on the Leon Bollee Calculating Machine, "A New Calculating Machine of very General Applicability", //The Manufacturer and Builder//, original print article.]]
05 December 2011 by Jim Falk -
Added lines 133-134:

* [[Bollee1890|1890: Article on the Leon Bollee Calculating Machine, "A New Calculating Machine of very General Applicability", //The Manufacturer and Builder//, original print article.
05 December 2011 by Jim Falk -
05 December 2011 by Jim Falk -
Changed line 11 from:
* [[Schickard 1623|1623: Contemporary German Reconstruction of 1623 Schickard Calculator from surviving manuscript]]
to:
* [[Schickard 1623|1623: Contemporary German reconstruction of 1623 Schickard Calculator from surviving manuscript]]
05 December 2011 by Jim Falk -
Changed line 11 from:
* [[Schickard 1623|1623: Contemporary German Reconstruction of 1623 Schickard Calculator]]
to:
* [[Schickard 1623|1623: Contemporary German Reconstruction of 1623 Schickard Calculator from surviving manuscript]]
05 December 2011 by Jim Falk -
Changed line 11 from:
* [[Schickard 1623|1623: Contemporary German Replica of 1623 Schickard Calculator]]
to:
* [[Schickard 1623|1623: Contemporary German Reconstruction of 1623 Schickard Calculator]]
05 December 2011 by Jim Falk -
Changed lines 53-54 from:
* [[Webb 1869|1869 model Web Patent Adder and Talley Board #B2040]]
to:
* [[Webb 1869|1869 model Web Patent Adder and Talley Board serial B2040]]
Changed lines 59-60 from:
* [[Golden Gem 1915|~1915: Golden Gem Automatic Adding Machine, Serial 73158]]
to:
* [[Golden Gem 1915|~1915: Golden Gem Automatic Adding Machine, serial 73158]]
Changed lines 71-72 from:
* [[Thomas de Colmar 1884|1884: Thomas de Colmar Arithmometer Serial 2083 Model T1878 B]]
to:
* [[Thomas de Colmar 1884|1884: Thomas de Colmar Arithmometer Model T1878 B, serial 2083]]
Changed lines 81-82 from:
* [[Millionaire 1912|1912: Millionaire Calculating Machine #2015]]
to:
* [[Millionaire 1912|1912: Millionaire Calculating Machine serial 2015]]
Changed lines 91-94 from:
* [[Brunsviga Schuster 1896|1896: Ohdner Brunsviga Schuster Calculator Serial 3406 abt 1896]]

* [[Facit 1945|1945: Facit Model S Calculator Serial 210652 1945]]
to:
* [[Brunsviga Schuster 1896|~1896: Ohdner Brunsviga Schuster Calculator serial 3406]]

* [[Facit 1945|1945: Facit Model S Calculator serial 210652]]
Changed lines 111-114 from:
* [[Curta 1 1948|~July 1948: CURTA Type 1 earliest model calculator serial 5424 (pin sliders)]]

* [[Curta 1 1967|1967: CURTA Type I calculator serial #76436, near mint, with original case, cardboard box and instructions]]
to:
* [[Curta 1 1948|~July 1948: CURTA Type 1 (pin sliders) earliest model calculator serial 5424]]

* [[Curta 1 1967|1967: CURTA Type I calculator serial 76436, near mint, with original case, cardboard box and instructions]]
Changed lines 121-122 from:
* [[MADAS 1950-60s|1950s-1960s: MADAS Model 20BTG #94046 electric calculator with true automatic division]]
to:
* [[MADAS 1950-60s|1950s-1960s: MADAS Model 20BTG serial 94046 electric calculator with true automatic division]]
Changed lines 125-127 from:
* [[HP-35 1972|July1972: Hewlett Packard HP 35 Calculator Serial 1230A 79429, 1972 (second version)]]

* [[HP-45 1973|December 1973: Hewlett Packard HP 45 Calculator Serial 1350A 36719, 1973]]
to:
* [[HP-35 1972|July1972: Hewlett Packard HP 35 Calculator serial 1230A 79429, 1972 (second version)]]

* [[HP-45 1973|December 1973: Hewlett Packard HP 45 Calculator serial 1350A 36719, 1973]]
05 December 2011 by Jim Falk -
Changed lines 83-84 from:
'+Proportional Rod Calculators+'
to:
'+Proportional Rack Calculators+'
Changed line 103 from:
* [[Comptometer oil bottle 1907| ~ 1907: Comptometer oil bottle, marked with patent 23 April 1905; 6 April 1907]]
to:
* [[Comptometer Oil Bottle 1907| ~ 1907: Comptometer oil bottle, marked with patent 23 April 1905; 6 April 1907]]
05 December 2011 by Jim Falk -
Changed lines 1-138 from:
The objects in the collection may be found through the lists of [[objects sorted by date]], [[objects sorted by originator]], and [[objects sorted by type]]
to:
'+Logarithmic Tables+'

* [[Henrion 1662|1662: Dennis Henrion: 1626 Dennis Henrion: Traicté de logarithmes]]

* [[Gardiner 1783|1783: Tables Portatives de Logarithmes, by Gardiner improved and perfected in their disposition by M. Callet]]

'+First Devices+'

* [[Abacus|Abacus (Chinese, contemporary)]]

* [[Schickard 1623|1623: Contemporary German Replica of 1623 Schickard Calculator]]

'+ The first "Computer Manual"+'

* [[Morland 1672|1672: Morland (Samuel) A New, and most useful Instrument for Addition and Subtraction of Pounds, Shillings, Pence, and Farthings]]

'+Sectors+'

* [[Butterfield Sector 1700|1675- 1715: Brass French Gunnery Sector by Michael Butterfield, Paris]]

* [[Doublett Sector 1830|~1830: Oxbone Architect's Sector by T. and H. Doublett, London]]

'+Conversion Devices+'

* [[CHAIX 1790|1790-1810: Instrument for conversion from Aunes to Metres by Gabrielle CHAIX,  Paris]]

'+Slide Rules+'

* [[Everard 1759|1759-69: Edward Roberts Everard Pattern Slide Rule]]

* [[K&E 1903|1908: Keuffel & Esser 4088-3 22 Dec 1908 serial 348119 Slide Rule]]

* [[Faber Castell 1967|1967-73: Faber Castell 2/83N Novo Duplex slide rule]]

'+Cylindrical Slide Rules+'

* [[Thacher 1911|1911: Thacher's Calculating Instrument, No. 4012 by Keuffel & Esser]]

* [[Fuller 1926|1926: Professor Fuller’s Fuller Cylindrical Slide Rule Model 2 No. 5706]]

'+Circular Slide Rules+'

* [[Otis King 1960|~1960: Otis King Rotary Slide Rule, Type L C, serial T6205, scales 429 and 430]]

* [[Supremathic 1935|~1935: Supremathic Circular slide rule]]

* [[Fowler 1948|1948: Fowler Long Scale Jubilee Magnum extra long scale calculator Fowler's "Jubilee Magnum" Circular Slide Rule]]

* [[KL1 1960s|1960s: KL-1 Russian Mechanical Circular Slide Rule and case]]

'+Troncet Type Devices+'

* [[Webb 1869|1869 model Web Patent Adder and Talley Board #B2040]]

* [[Stevenson 1890|1890-1900: A. M. Stevenson Adder]]

* [[Comptator 1910|1910-1920s Comptator, 9 column]]

* [[Golden Gem 1915|~1915: Golden Gem Automatic Adding Machine, Serial 73158]]

* [[Addiator 1920|1920: Addiator]]

* [[Lightning 1946|~1946: Lightning Portable Adding Machine]]

'+Keyboard Adding Machines+'

* [[Adix 1903|1903: Adix Adding Machine. Original model]]

'+Arithmometers+'

* [[Thomas de Colmar 1884|1884: Thomas de Colmar Arithmometer Serial 2083 Model T1878 B]]

* [[TIM 1909|1909: Ludwig Spitz & Co., G.m.b.H., Berlin-Tempelhof TIM (Time is Money) Arithmometer]]

* [[Bunzel Prototype 1913|~1913: Bunzel-Denton Arithmometer Prototype]]

'+True Multiplying Calculators+'

* [[Bamberger Omega 1904|1904-1905: Bamberger’s Omega Calculating Machine]]

* [[Millionaire 1912|1912: Millionaire Calculating Machine #2015]]

'+Proportional Rod Calculators+'

* [[Mercedes 29 Demonstrator 1923|1923: Mercedes-Euklid Model 29 Demonstration calculator]]

* [[Mercedes 29 1923|1923: Mercedes-Euklid Model 29 calculator]]

'+Pinwheel Calculators+'

* [[Brunsviga Schuster 1896|1896: Ohdner Brunsviga Schuster Calculator Serial 3406 abt 1896]]

* [[Facit 1945|1945: Facit Model S Calculator Serial 210652 1945]]

* [[Walther Demonstrator 1957|1957: Walther Demonstration WSR160 Pinwheel Calculator]]

* [[Walther 1957|~1957: Walther WSR160 Pinwheel Calculator]]

'+Comptometers+'

* [[Comptometer "Woodie" 1896|Sept 1896: Felt and Tarrant Comptometer: Earliest - wood-cased “Woodie” model, serial 2491]]

* [[Comptometer oil bottle 1907| ~ 1907: Comptometer oil bottle, marked with patent 23 April 1905; 6 April 1907]]

* [[Sumlock Demonstrator 1955|~ 1955 Bell Punch Sumlock Demonstration Comptometer]]

* [[Sumlock Comptometer 1950s|1950s: Bell Sumlock Comptometer Model 909/S/117.878 (made in Great Britain by Bell Punch Company Ltd)]]

'+Curta Calculators+'

* [[Curta 1 1948|~July 1948: CURTA Type 1 earliest model calculator serial 5424 (pin sliders)]]

* [[Curta 1 1967|1967: CURTA Type I calculator serial #76436, near mint, with original case, cardboard box and instructions]]

* [[Curta 2 1963|1963: CURTA Type II calculator with Leather Case,  serial 554765]]

'+Motorised Calculating Machines+'

* [[Hertstark 1929|~1929 "Herzstark" electric Calculating Machine serial 6549, badged by Herzstark, Vienna; essentially Badenia Model TE 13 Duplex]]

* [[MADAS 1950-60s|1950s-1960s: MADAS Model 20BTG #94046 electric calculator with true automatic division]]

'+Electronic Calculators+'

* [[HP-35 1972|July1972: Hewlett Packard HP 35 Calculator Serial 1230A 79429, 1972 (second version)]]

* [[HP-45 1973|December 1973: Hewlett Packard HP 45 Calculator Serial 1350A 36719, 1973]]

______


'+Ephemerae+'

* [[Lightning booklet 2|Booklet on “How to Become a Lightning Calculator”, No. 2]]



27 November 2011 by 58.6.184.149 -
Added line 1:
The objects in the collection may be found through the lists of [[objects sorted by date]], [[objects sorted by originator]], and [[objects sorted by type]]


Page last modified on 07 March 2019