File:Decorative Crookes tubes.jpg

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Decorative Crookes tubes

DescriptionDecorative Crookes tubes.jpg	English: Entertainment Crookes tubes illuminated by glow discharge
Date	1906
Source	Retrieved September 23, 2015 from Herbert Evelyn Crook (1906) High Frequency Currents, Bailliere, Tindall, and Cox, London, p. 60, fig. 33 on Google Books
Author	Unknown authorUnknown author

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	09:38, 23 September 2015		457 × 624 (50 KB)	Chetvorno (talk \| contribs)	User created page with UploadWizard

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