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 1251

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 1251
ple-arc circuits containing groups of translating devices, (all such mul-tiple-arc circuits being derived from the samemain conductors,) and a portion of the coils iof the field-magnet formed by divisions of oneof such main conductors, substantially as setforth. This specification signed and… … <y <y WITNESSES: INVENTOR:ATTORNEY United States Patent Office. THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY.REGULATOR FOR DYNAMO-ELECTRIC MACHINES. SPECIFICATION forming part of Letters Patent No. 264,665, dated September 19, 18S2. Application filed August 7,1882. (No model.) ~5 35 5° 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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