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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 1239

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 1239
main conductors,) and a series of inde-pendent devices operated by the current gen-erated, and arranged to act successive^ as 55more translating devices are placed in circuitto increase the current energizing the saidfield-magnet, substantially as set forth. This specification signed and witnessed… … United States Patent Office. THOMAS A. EDISON, OF MENLO PARK, NEW JEESEY.REGULATOR FOR DYNAMO-ELECTRIC MACHINES. SPECIFICATION forming part of Letters Patent No. 264,662, dated September 19, 1882. Application filed August 7, 1883. (No model.) To all whom it may concern: Be it known that I, Thomas…

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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