U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 319
<£<^Zs2- THE NOBRIB PETEH9 CO., PHOTO-UTHO , WASHINGTON, 0. I (No Model.) No. 483,629. 5 Sheets—Sheet 2. A. L. JAYNES. WORKMANS TIME RECORDER. Patented Oct. 4, 1892. … fflrTwa^j?*
Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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