U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 217
ofthe toggle-levers c c are respectively con-nected, and the bevel-pinion m on shaft of 40gear nf, in combination with the motor-shaft1, carrying bevel-pinion m in gear with pin-ion m, substantially as described. In testimony whereof we affix our signaturesin presence of two witnesses. FRANZ… … &rtcL (No Model.; 4 Sheets—Sheet 2 W. F. GARDNER. CLOCK SYNCHRONIZING DEVICE AND SYSTEM. No. 480,577, Patented Aug. 9, 1Q92.
Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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