U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 515
thelower end of shaft 22, the vertically swinginglatch 30 to engage said arm and hold thestriker retracted and provided with a projec- 70tion 33, a match holder beneath the strikerarm, and the rod 35 connected with the bellhammer and bearing against the projection33, substantially as set forth.… … 3 ^ A\ \\ ifflffiMMmnmrnmamziBm
Clocks and watches
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