U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 711
e to shut it off, all as specified. 2. In clock mechanism, the arbor D andmechanism substantially as described forturning the same, in combination with thetwo trip-hooks Eand F which are adjustablysecured to said arbor, and with the singletrip-lever G which is adapted to be affected 60by both said… … -2?%#.£.
Clocks and watches
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