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U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 375
^fawjtiJfounttA SaArubtt TMt *OR«IS PETtRS CO. PHOTO-LITHO , (No Model.) 3 Sheets—Sheet 2. C, J. GARNETT & A. MOORE. WOKKMANS TIME REGISTER. No. 486,399, Patented Nov. 15, 1892.Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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