U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 141
ibed my invention, whatI claim as new, and desire to secure by LettersPatent, is— The combination of the rotating arbor, timemechanism arranged to rotate the arbor, and 90a series of tumblers journaled upon such ar-bor and adapted to rotate therewith and to berotated thereupon, substantially as… … ATTORNEYS IOTO-UTHO., WASHINGTON, D (No Model.) 5 Sheets—Sheet 2. H. H. PATTEE. TIME REGISTERING APPARATUS FOR ELECTRICITY. No. 478,237. DC Patented July 5, 1892, ttg.z
Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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