Inside Out Library

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 1721

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 1721
tantially as set forth. 2. In regulating mechanism for arc-lamps,5 the solenoid or electro-magnets of the same re-sistance located in the line and in a shuntaround the arc, in combination with a shuntaround the solenoid or electro-magnet in theline, substantially as set forth. ,580 This… … United States Patent Office. THOMAS A. EDISON, OF MENLO PABK, NEW JEBSEY, ASSIGNOR TO THEEDISON ELECTRIC LIGHT COMPANY, OP NEW YOEK, N. Y. INCANDESCENT ELECTRIC LAMP. SPECIFICATION forming part of Letters Patent No. 297,581, dated April 29, 1884. Application filed September 22,1882. (No model.) To…

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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