U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 377
THC NORHIS PETERS CO. PNOTO-UTHO . WASHINGTON. O. ( (No Model.) 3 Sheets—Sheet 3. C. J. GARNETT & A. MOORE. WORKMANS TIME REGISTER. No. 486,399, Patented Nov. 15, 1892. n9.4 … \ / / \ [®( f<jj)h V x
Clocks and watches
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