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File:PSM V44 D353 Dredging.jpg

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Description
English: Dredging
Date between 1893 and 1894
date QS:P,+1893-00-00T00:00:00Z/8,P1319,+1893-00-00T00:00:00Z/9,P1326,+1894-00-00T00:00:00Z/9
Source Popular Science Monthly Volume 44
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 44.

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Date/TimeThumbnailDimensionsUserComment
current01:15, 9 January 2016Thumbnail for version as of 01:15, 9 January 20161,666 × 1,421 (457 KB)IneuwCleaned image and improved contrast
05:13, 7 February 2011Thumbnail for version as of 05:13, 7 February 20111,662 × 1,417 (346 KB)Ineuw{{Information |Description = Dredging |Source = [http://www.archive.org/details/popularsciencemo44newy Popular Science Monthly Volume 44] |Date = 1893-1894 |Author = Unknown |Permission = {{PD-old}} |other_versions =
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