File:PSM V46 D075 Watch escape wheel swiss lever and balance.jpg

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Description Watch escape wheel Swiss lever and balance
Date
Source Popular Science Monthly Volume 46
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 46.

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current16:12, 24 February 2011Thumbnail for version as of 16:12, 24 February 20111,529 × 288 (31 KB)Ineuw (talk | contribs){{Information |Description = Watch escape wheel Swiss lever and balance |Source = [http://www.archive.org/details/popularsciencemo46newy Popular Science Monthly Volume 46] |Date = 1894 |Author = Unknown |Permission =

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