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File:PSM V50 D680 Forms of crookes tubes.jpg

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Description Forms of Crookes tubes
Date
Source Popular Science Monthly Volume 50
Author Unknown authorUnknown author
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Extracted image from book, to grayscale, cropped whitespace. Modifications made by Ineuw. The original can be found here: Popular Science Monthly Volume 50.

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current22:20, 21 November 2012Thumbnail for version as of 22:20, 21 November 20121,503 × 1,356 (203 KB)Ineuw (talk | contribs){{Information |Description = Forms of Crookes tubes |Source = [http://www.archive.org/details/popularsciencemo50newy Popular Science Monthly Volume 50] |Date = 1896 |Author = Unknown |Permission = {{PD-old}} |othe...
17:07, 21 April 2011Thumbnail for version as of 17:07, 21 April 20111,486 × 1,352 (347 KB)Ineuw (talk | contribs){{Information |Description = Forms of Crookes tubes |Source = [http://www.archive.org/details/popularsciencemo50newy Popular Science Monthly Volume 50] |Date = 1896 |Author = Unknown |Permission = {{PD-old}} |other_v

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