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File:PSM V41 D474 In the rock shaft of the de beers diamond mine at 900 feet.jpg

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Description In the rock shaft of the de Beers diamond mine at 900 feet
Date
Source Popular Science Monthly Volume 41
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 41.

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Date/TimeThumbnailDimensionsUserComment
current07:32, 30 November 2015Thumbnail for version as of 07:32, 30 November 20151,470 × 1,404 (675 KB)IneuwCleaned image and improved contrast
19:47, 4 January 2011Thumbnail for version as of 19:47, 4 January 20111,493 × 1,419 (791 KB)Ineuw{{Information |Description = In the rock shaft of the de Beers diamond mine at 900 feet |Source = [http://www.archive.org/details/popularsciencemo41newy Popular Science Monthly Volume 41] |Date = 1892 |Author = Unknown |P
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