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 1287

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 1287
achine, of an electro-dynamicmotor arranged in the field-circuit of the gen-erator, a vibrating electro-magnetic circuit-controller controlling the field-circuit of themotor, and a shunt of high resistance aroundsuch vibrating circuit-controller, substantiallyas set forth. This specification signed… … —o WITNESSES: °s=== BY INVENTOR:ATTORNEYS. N. PETERS. Photo-Lithographer. Washington, D. C. United States Patent Office* THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY, ASSIGNOR TO THEEDISON ELECTRIC LIGHT COMPANY, OE NEW YORK, N. Y. REGULATOR FOR DYNAMO-ELECTRIC MACHINES. SPECIFICATION forming part…

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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