File:PSM V41 D216 Microscopic view of richmond infusorial earth.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:13, 24 November 2015 | 1,409 × 1,411 (496 KB) | Ineuw | Cleaned image and improved contrast | |
20:34, 1 January 2011 | 1,410 × 1,410 (590 KB) | Ineuw | {{Information |Description = Microscopic view of Richmond infusorial earth |Source = [http://www.archive.org/details/popularsciencemo41newy Popular Science Monthly Volume 41] |Date = 1892 |Author = Unknown |Permission |
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