File:PSM V49 D323 A negative discharge.jpg

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Description A negative discharge
Date
Source Popular Science Monthly Volume 49
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 49.

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Date/TimeThumbnailDimensionsUserComment
current18:58, 3 July 2016Thumbnail for version as of 18:58, 3 July 2016831 × 1,023 (208 KB)Ineuw (talk | contribs)Cleaned image and improved contrast
22:06, 3 April 2011Thumbnail for version as of 22:06, 3 April 20111,489 × 1,833 (556 KB)Ineuw (talk | contribs){{Information |Description = A negative discharge |Source = [http://www.archive.org/details/popularsciencemo49newy Popular Science Monthly Volume 49] |Date = 1896 |Author = Unknown |Permission = {{PD-old}} |other_ver

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