U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 569
movable wheel 50into and out of its engagement, such mech-anism and the hands setting means both op-erating to move said detent into and out oflocking engagement, substantially as and forthe purpose specified— 55 In testimony that I claim the foregoing Ihave hereunto set my hand this 23d day ofMay,… … THE wOWRll. PETERS CO, PMOTO-LITMO. WASHINGTON, O. C (No Model.) 10 Sheets—Sheet 2. G. E. HUNTER. METHOD OF TESTING WATCH BALANCES AND HAIR SPRINGS. Patented Jan. 17, 1893. No. 490,203. ^
Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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