U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 169
g coloring-matter adjacent to the web 55of paper near one edge, type or characterwheels and a connection for moving the sameby clock-work, and a lever and cam for sup-porting the character-wheels and a push-but-ton and cam for impressing the character- 60wheels, substantially as set forth. Signed… … c c ifi-8 *- ^
Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
