File:PSM V45 D643 River canal wheel pit and tail race tunnel.jpg
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DescriptionPSM V45 D643 River canal wheel pit and tail race tunnel.jpg | River canal wheel pit and tail race tunnel | |||||
Date | ||||||
Source | Popular Science Monthly Volume 45 | |||||
Author | Unknown authorUnknown author | |||||
Permission (Reusing this file) |
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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 45.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:36, 5 March 2016 | 1,740 × 1,699 (430 KB) | Ineuw (talk | contribs) | Cleaned image and improved contrast | |
02:31, 21 February 2011 | 1,740 × 1,699 (323 KB) | Ineuw (talk | contribs) | {{Information |Description = River canal wheel pit and tail race tunnel |Source = [http://www.archive.org/details/popularsciencemo45newy Popular Science Monthly Volume 45] |Date = 1894 |Author = Unknown |Permission = |
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