U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 149
ATTORNEYS THE NO»«IS PCTtaS CO.. PHOTO-UTHO., WA6HINOTO*. 0. (No Model.) 5 Sheets—Sheet 5. H. H. PATTEE. TIME REGISTERING APPARATUS FOR ELECTRICITY. No. 478,237. Patented July 5, 1892. H \./ C\j 5 i ^2 … WITNESSES: s^^^a^Aj. d&VisL^™ sTtc^o^^ia^. INVENTOR
Clocks and watches
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