U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 415
adapted to be rotated by the f5key-hub, the pin eccentrically mounted onthe outer end thereof, the lever engaging withsaid pin at its lower end and having a punchattached to its upper end, the tape-roll, theguide, and the guide-rolls, substantially as 20described. In testimony whereof I affix… … 3 Fig.2 THE NORRiS PETERS CO. PHOTO-UTMO (No Model.) No. 486,838. 2 Sheets—Sheet 2. M. Y. B. ETHRIDGE. ELECTRIC CLOCK. Patented Nov. 22, 1892.
Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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