Lambert friction driving mechanism patent 954977 diagram excerpt


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Invented by John W. Lambert. Uploaded by --Doug Coldwell (talk) 15:45, 13 December 2008 (UTC)
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Beschreibung:
Excerpt from diagram of 954,977 for Friction Driving Mechanism by John W. Lambert
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and there is no assertion of copyright on any part of the patent or image, satisfying the restriction.
Lizenz:
Public domain
Credit:
US Patent 954,977 as seen at [1]
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