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U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 281
INVENTOR, TV /£U ATTORNEY^/ (No Model.) 6 Sheets—Sheet 6. W. L. BUNDY. WORKMANS TIME RECORDER. No. 482,293. Patented Sept. 6, 1892. … Jy. /6,Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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