File:PSM V43 D475 Impulsive rush discharge known as dark flashes.jpg

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Description Impulsive rush discharge known as dark flashes
Date
Source Popular Science Monthly Volume 43
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 43.

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current09:36, 27 January 2011Thumbnail for version as of 09:36, 27 January 20111,275 × 1,839 (417 KB)Ineuw (talk | contribs){{Information |Description = Impulsive rush discharge known as dark flashes |Source = [http://www.archive.org/details/popularsciencemo43newyuoft Popular Science Monthly Volume 43] |Date = 1893 |Author = Unknown |Permissio

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