Inside Out Library · Explore

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 1263

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 1263
rake forcedby a spring or weight upon a wheel mounted iupon or connected with the motor-shaft^ andan electro-magnet opposing the action of suchspring or weight and located in a multiple-arcCircuit from the main conductors of the gen-erator, substantially as set forth. This specification signed and… … United States Patent Office. THOMAS A. EDISON, OF MENLO PAEK, NEW JEESEY.REGULATOR FOR DYNAMO-ELECTRIC MACHINES. SPECIFICATION forming part of Letters Patent No. 264,668, dated September 19, 1882. Application filed August 7,1882. (No model.) Be it known that I, Thomas A. Edison, ofMenlo Park, in…

Trade catalogs · Patents · Edison, Thomas A. (Thomas Alva), 1847-1931 · Inventions · Telegraph · Electric machinery · Electric apparatus and appliances · Phonograph · Telephone · Motors

Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.

More pictures from Collection of United States patents granted to Thomas A. Edison, 1869-1884

More like this