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U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 275
. llfl , / S.S/ S i.xn v/<>/<. (No Model.) No. 482,293 6 Sheets—Sheet 3. W. L. BUNDY. WORKMANS TIME RECORDER. Patented Sept. 6, 1892. n/j ■./>Clocks and watches
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