U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 45
or the purpose specified. 2. The combination of an equalizing-move- 95ment, a calendar mechanism, calendar-oper-ating devices connected with the principalmotive part of said equalizing-movement anddisconnected from the time-pointers, and adevice for setting said calendar-operating de- 100vices,… … WITNESSES: INVENTOR
Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
