File:DesktopMechanicalCalculators inProduction intheXIXCentury.svg
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Summary
| Description |
English: Graph showing the Desktop Mechanical Calculators in production during the XIXth century
Français : Graphe représentant les calculateurs mécaniques de table en production durant le XIXieme siècle |
| Date | |
| Source | Own work |
| Author | Ezrdr |
| Other versions |
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Licensing
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:02, 7 January 2010 | | 1,000 × 500 (69 KB) | wikimediacommons>Ezrdr | Changed legend color |
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