U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 771
amp on the same, and conductors for the lamp, of a switch carried by the supportand a weight for actuating the switch uponthe movement of the support, substantiallyas described. In testimony whereof I affix my signature inpresenceof two witnesses. WILLIAM A. TURBAYNE. Witnesses: ,7 AMES… … A -^ In Ve q t d rs.
Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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