File:Leibniz Calculator Using The Pascaline.jpg

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Description	English: Drawing by Leibniz showing how his calculator could use Pascal's calculator. First description of a pinwheel design (1685)
Date	3 December 2012, 21:26:09
Source	Reproduction of a drawing that was part of the article "Machina arithmetica in qua non additio tantum et subtracto sed et mutiplicatio nullo, diviso vero paene nullo animi labore peragantur" written in 1685 by Gottfried Leibniz, from "Source books in the history of the sciences" published in 1929, Mc Graw-Hill Book CO.
Author	Gottfried Wilhelm Leibniz

Public domain	This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.	United States
	This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:36, 3 December 2012		609 × 603 (107 KB)	Ezrdr (talk \| contribs)	User created page with UploadWizard

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