Site.ThomasMechanism History

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(:title Mechanism of Thomas de Colmar's Arithmometer as in 1862:)

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(:title Mechanism of Thomas de Colmar’s Arithmometer as in 1862.

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(:title Mechanism of Thomas de Colmar's Arithmometer as in 1862:)

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(:title Mechanism of Thomas de Colmar’s Arithmometer as in 1862.

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1862: Diagram of the Thomas de Colmar arithmometer mechanism.1
(click on the image for an enlargement)
(Source: Museum of the History of Science, University of Oxford.)

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1862: Diagram of the Thomas de Colmar arithmometer mechanism.2
(Source: Museum of the History of Science, University of Oxford.)

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1862: Diagram of the Thomas de Colmar arithmometer mechanism.3
(click on the image for an enlargement)
(Source: Museum of the History of Science, University of Oxford.)

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1862: Diagram of the Thomas de Colmar arithmometer mechanism.4
(click on the image for an enlargement)
(Source: Museum of the History of Science, University of Oxford.)

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1862: Diagram of the Thomas de Colmar arithmometer mechanism.5
(click on the image for an enlargement)
(Source: Museum of the History of Science, University of Oxford.)

 

1 Franz Reuleaux, Die Thomas’sche Rechenmaschine, Freiberg, 1862 reproduced in Reuleaux’s article in Der Civilingenieur, 8, 1862, and reproduced in turn by Stephen Johnston, “Making the arithmometer count”, Bulletin of the Scientific Instrument Society, Volume 52, 1997, pp. 12–21., see figure 2. (↑)

2 Franz Reuleaux, Die Thomas’sche Rechenmaschine, Freiberg, 1862 reproduced in Reuleaux’s article in Der Civilingenieur, 8, 1862, and reproduced in turn by Stephen Johnston, “Making the arithmometer count”, Bulletin of the Scientific Instrument Society, Volume 52, 1997, pp. 12–21., see figure 2. (↑)

3 Franz Reuleaux, Die Thomas’sche Rechenmaschine, Freiberg, 1862 reproduced in Reuleaux’s article in Der Civilingenieur, 8, 1862, and reproduced in turn by Johnston, “Making the arithmometer count”, figure 2. (↑)

4 Franz Reuleaux, Die Thomas’sche Rechenmaschine, Freiberg, 1862 reproduced in Reuleaux’s article in Der Civilingenieur, 8, 1862, and reproduced in turn by Stephen Johnston, “Making the arithmometer count”, Bulletin of the Scientific Instrument Society, Volume 52, 1997, pp. 12–21., see figure 2. (↑)

5 Franz Reuleaux, Die Thomas’sche Rechenmaschine, Freiberg, 1862 reproduced in Reuleaux’s article in Der Civilingenieur, 8, 1862, and reproduced in turn by Johnston, “Making the arithmometer count”, figure 2. (↑)

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Page last modified on 21 July 2013