U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 743
ding bar designed to engage said trip le-vel, the auxiliary clock-gearing having anhour hand designed to move said sliding bar,5 and the weighted lever normally holding saidauxiliary clock-gearing stationary, substan-tially as set forth. In testimony whereof I have signed thisspecification in the… … (3, J/e^etttft^^ ^0 tf. ^ zc ^z n 1 I <r BY INVENTORATTORNEYS. ;No Model.) No. 496,258. H. C. HAIN. ELECTRIC PROGRAM CLOCK. 2 Sheets—Sheet 2. Ify. 3 Patented Apr. 25, 1893.
Clocks and watches
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