U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 407
_^nJe7z£o7 ^<^^y-%u^z THE MORRIS PETERS CO. PHOTO-UTMO.. WASHINGTON. D < (No Model.) No. 486,603. 3 Sheets—Sheet 3. E. S. PHELPS. TIME LOOK. 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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