File:PSM V49 D323 A negative discharge.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:58, 3 July 2016 | 831 × 1,023 (208 KB) | Ineuw | Cleaned image and improved contrast | |
22:06, 3 April 2011 | 1,489 × 1,833 (556 KB) | Ineuw | {{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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