File:PSM V41 D356 Tanner beam and knives.jpg

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Description Tanner beam and knives
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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current21:13, 1 January 2011Thumbnail for version as of 21:13, 1 January 2011931 × 1,422 (101 KB)Ineuw{{Information |Description = Tanner beam and knives |Source = [http://www.archive.org/details/popularsciencemo41newy Popular Science Monthly Volume 41] |Date = 1892 |Author = Unknown |Permission = {{PD-old}} |other_v

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