U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 197
Clfcfcofcucu-^ HZ N&HRIS PETE*3 CO., WAS (No Model.) 5 Sheets—Sheet 5. E. & H. C. STOCKWEL1. TIME LOOK MECHANISM. No. 479,379. Patented July 19, 1892. , „ __ L ___= _ … *fy 7 JC _^y. J 2.
Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
