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Description Ryerson Physical laboratory
Date
Source Popular Science Monthly Volume 51
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 51.

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current18:34, 5 May 2011Thumbnail for version as of 18:34, 5 May 20112,083 × 1,584 (424 KB)Ineuw (talk | contribs){{Information |Description = Ryerson Physical laboratory |Source = [ttp://www.archive.org/details/appletonspopular51youmrich Popular Science Monthly Volume 51] |Date = 1897 |Author = Unknown |Permission = {{PD-old}}

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