File:Scheutz mechanical calculator.png
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Scheutz_mechanical_calculator.png (800 × 420 pixels, file size: 88 KB, MIME type: image/png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:47, 26 August 2008 | 800 × 420 (88 KB) | commons>Chetvorno | {{Information |Description={{en|1=Drawing of the mechanical calculating machine designed by Wikipedia:Pehr Georg Scheutz in 1843 and completed in 1853.}} |Source=Downloaded August 25, 2008 from [http://books.google.com/books?id=Qvk4AAAAMAAJ&pg=PA121 |
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