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File:Leibnitzrechenmaschine.jpg

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Deutsch: Nachbau einer Rechenmaschine von 1700 von de:Gottfried Wilhelm Leibniz
English: The Staffelwalze, or Stepped Reckoner, a digital calculating machine invented by Gottfried Wilhelm Leibniz around 1672 and built around 1700, on display in the Technische Sammlungen museum in Dresden, Germany. It was the first known calculator that could perform all four arithmetic operations; addition, subtraction, multiplication and division. 67 cm (26 inches) long. The cover plate of the rear section is off to show the wheels of the 16 digit accumulator. Only two machines were made. The single surviving prototype is in the National Library of Lower Saxony (Niedersächsische Landesbibliothek) in Hannover; this is a contemporary replica.
Source recorded by me in de:Technische Sammlungen der Stadt Dresden (with photo permission)
Author User:Kolossos
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Date/TimeThumbnailDimensionsUserComment
current12:44, 6 March 2016Thumbnail for version as of 12:44, 6 March 20162,048 × 1,536 (1.3 MB)Mr NReverted to version as of 12:29, 6 July 2006 (UTC)
22:56, 5 March 2016Thumbnail for version as of 22:56, 5 March 20162,715 × 1,263 (442 KB)Mr N{{Information |Description=Leibniz Rechenmaschine (Nachbau) Im Rahmen des GLAM on Tour vom 4.-7. März 2016 in Dresden in den Technischen Sammlungen Dresden ohne störende Vitriene fotog...
12:29, 6 July 2006Thumbnail for version as of 12:29, 6 July 20062,048 × 1,536 (1.3 MB)Kolossos*'''Description:''' {{Information |Description=Nachbau einer Rechenmaschine von 1700 von de:Gottfried Wilhelm Leibnitz |Author=self |Permission= |other_versions= }} *'''Source:''' own recorded in de:Technische Sammlungen der Stadt Dresden (with

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