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U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 455
0C*ns[yl4^&K_ fWXA^LA^e> h\& QttoZAXlXfc/ (No Model.) V No. 487,433 4 Sheets—Sheet 2. C. STAHLBERG-. TIME STAMP. Patented Deo. 6, 1892. j^fcV. &• … (No Model.) No. 487,433 4 Sheets—Sheet 3. C. STAHLBERG. TIME STAMP. Patented Deo. 6, 1892. X7&G ^}^ &Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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