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File:Perpetual Motion by Norman Rockwell.jpg

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Description
English: Cover of the October 1920 issue of Popular Science magazine, painted by American illustrator Norman Rockwell. It depicts an inventor working on a perpetual motion machine. The device shown is a "mass leverage" device, where the spherical weights on the right have more leverage than those on the left, supposedly creating a perpetual rotation, but there are a greater number of weights to the left, balancing the device.
Date
Source Downloaded 2009-06-29 from Popular Science magazine, Vol.97, No.4 (October 1920), Bonnier Corp. New York, ISSN 0161-7370, front cover on Google Books
Author
Norman Rockwell  (1894–1978)  wikidata:Q271884 q:en:Norman Rockwell
 
Norman Rockwell
Alternative names
Norman Perceval Rockwell; Norman Percevel Rockwell; Rockwell
Description American painter, illustrator and photographer
Date of birth/death 3 February 1894 Edit this at Wikidata 8 November 1978 Edit this at Wikidata
Location of birth/death New York City Edit this at Wikidata Stockbridge Edit this at Wikidata
Work location
Los Angeles; New Rochelle; New York City; Arlington; Stockbridge Edit this at Wikidata
Authority file
creator QS:P170,Q271884
Permission
(Reusing this file)		 Public Domain in USA - published before 1923 in USA

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Public domain
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
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
current08:05, 14 December 2018Thumbnail for version as of 08:05, 14 December 20181,273 × 1,726 (769 KB)Wow (talk | contribs)File:Perpetual Motion by Norman Rockwell.jpg cropped 1 % horizontally, 1 % vertically using CropTool with precise mode.
01:03, 30 June 2009Thumbnail for version as of 01:03, 30 June 20091,286 × 1,744 (800 KB)Chetvorno (talk | contribs){{Information |Description={{en|Cover of the October 1920 issue of ''Popular Science'' magazine, painted by American illustrator Wikipedia:Norman Rockwell. It depicts an inventor working on a perpetual motion machine.}} |Source=Downloaded [[2009-06-

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