File:Gears used in Pascal's calculator.jpg

Original file (1,024 × 768 pixels, file size: 336 KB, MIME type: image/jpeg)

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Description
English: Detail of
Date
Source Oeuvres de Blaise Pascal, Chez Detune, La Haye
Author unknown, printed in 1779

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Public domain
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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
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/TimeThumbnailDimensionsUserComment
current16:29, 9 November 2012Thumbnail for version as of 16:29, 9 November 20121,024 × 768 (336 KB)EzrdrColored the gears by functional groups
20:31, 7 November 2012Thumbnail for version as of 20:31, 7 November 20121,183 × 882 (541 KB)EzrdrUser created page with UploadWizard

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