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 103
earing the wire, and causing the markat the receiving-station to be clear and dis-tinct. I claim as my invention— A circuit-closer operated by the movementof the perforated paper in a telegraph trans-mitting-instrument to throw a reverse circuiton the line, substantially as set forth. Sigued by me… … M. PHOTO LITHtHSRAPHK CO. HX {GSBO*N£S f/<OC£SSj United States Patent Office, THOMAS A. EDISON, OF NEWAEK, NEW JEESEY, ASSIGNOE TO HIMSELFAND MAESHALL LEFFEETS, OF NEW YOEK CITY. IMPROVEMENT IN RELAY-MAGNETS FOR TELEGRAPH-INSTRUMENTS. Specification forming part of Letters Patent No. 114,657,…
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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