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Collection of United States patents granted to Thomas A. Edison, 1869-1884 (1869)

Edison, Thomas A. (Thomas Alva), 1847-1931, Peters, N. (Norris), lithographer, Hammer, William Joseph, 1858-1934, former owner. DSI, Edison, Thomas A. (Thomas Alva), 1847-1931, inscriber. DSI, United States. Patent Office · Washington, D.C. : U.S. Patent Office · leaf 389

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 389
The stops 13 and cam-arms 12 upon theshaft vy in combination with the finger-keys a a, slides c, rollers 15, and paper-feeding mech- ,312 anism, substantially as and for the purpose,;,set forth. 2. The spring-arm t* upon the pawl u, incombination with the rack v and reciprocatingmechanism,… … United States Patent Office. THOMAS A. EDISON, OF NEWAEK, NEW JEESEY, ASSIGNOE TO HIMSELFAND GEOEGE HAEEINGTON, OF WASHINGTON, D. 0. IMPROVEMENT IN CHEMICAL TELEGRAPHS. Specification forming part of Letters Patent No. 147,313, dated February 10,1874 ; application filed July 29,1873. Case 71. To all…

Trade catalogs · Patents · Edison, Thomas A. (Thomas Alva), 1847-1931 · Inventions · Telegraph · Electric machinery · Electric apparatus and appliances · Phonograph · Telephone · Motors

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