U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 699
f the armature-le-ver engaging the minutes ratchet, the pawlactuated by said minutes ratchet, engagingthe hours ratchets, the electrically operateddevice as described for setting the clock andthe alarm mechanism substantially as andfor the purpose set forth. In testimony whereof I affix my… … E 5 5E5 Witt! Jan r f A .{ACcMctttk r. T I rW entoK -ITHO.. WASHlMJT)N United States Patent Office* HERBERT S. PAGE, OF MEDFORD, ASSIGNOR TO EDMUND D. SPEAR, OF BOSTON, MASSACHUSETTS. CIRCUIT-CLOSING CLOCK. SPECIFICATION forming part of Letters Patent No. 494,966, dated April 4, 1893. Application…
Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.