File:Right-angle lever paradox (diagram).png

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Summary

DescriptionRight-angle lever paradox (diagram).png	English: Light and mass
Date	1909
Source	https://archive.org/details/proceedingsofame44amer, p. 721
Author	w:Gilbert N. Lewis

Licensing

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.

File history

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	Date/Time	Dimensions	User	Comment
current	15:10, 1 October 2009	816 × 948 (6 KB)	D.H	Greyscale
	16:46, 25 April 2009	427 × 488 (47 KB)	D.H	Original version
	17:22, 21 March 2009	354 × 396 (5 KB)	D.H	{{Information \|Description={{en\|1=Renewed version of an illustration in the public domain by Lewis, Gilbert N. & Tolman, Richard C. (1909), "The princicple of relativity, and non-Newtonian mechanics", Proceedings of the American Academy of Arts and Scienc