Inside Out Library · Explore

U.S. patents covering time keeping mechanisms (1892)

United States. Patent Office · [Washington : United States Patent Office] · leaf 95

An illustration from U.S. patents covering time keeping mechanisms, 1892, leaf 95
ube, and the leverfor setting the minute-hand, provided with 115an arm having an inclined slot adapted toengage with a pin on the said pivoted leverand to cause it to slide the tube upon the said ;sleeve, substantially as and for the purpose set forth. 120 In testimony whereof we affix our… … l NORR1S WLTEftS CO., PHOTO-LITHO., WASHINGTON, 0. C. United States Patent Office. BENJAMIN FRANKLIN, OF CHICAGO, ILLINOIS, ASSIGNOR OF THREE-FOURTHSTO DAVID II. FLETCHER, CALVIN R. BEACH, AND GEORGE II. MERRIELL,OF SAME PLACE. ELECTRIC ALARM-CLOCK. SPECIFICATION forming- part of Letters Patent No.…

Clocks and watches

Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.

More pictures from U.S. patents covering time keeping mechanisms

More like this