File:Lambert friction-gearing transmission patent 761384.png

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Description Excerpt from diagram of 761,384 for Friction Driving Mechanism by John W. Lambert
Date Patent filed July 19, 1902. Approved May 31, 1904. Uploaded Dec 15, 2008
Source US Patent 761,384 as seen at [1]
Author Invented by John W. Lambert. Uploaded by --Doug Coldwell (talk) 13:25, 15 December 2008 (UTC)
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current12:29, 10 August 2017Thumbnail for version as of 12:29, 10 August 2017387 × 242 (9 KB)wikimediacommons>MichaelFreyvisual noise cleaned up

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