U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 521
<£_. ~t£. %tyttZ^~ HE NOBRI3 PETEft (No Model.) No. 489,789. «. __ 2 Sheets—Sheet 2 J. H. CARPENTER. TIME STOCK FEEDER. Patented Jan. 10, 1893. … TU 4r <J& TEA^
Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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