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A contribution to the history of calculating machines |
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19th century patents |
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France |
Others countries |
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Research fields |
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Thomas de Colmar's arithmometers |
Troncet's adding machines |
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18th century |
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Jacob-Isaac Pereire 1715-1780 |
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www.ami19.org 2008
Valéry Monnier
membre de l'ANCMECA