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 1267

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 1267
ed by the additionand removal of translating devices, wherebythe addition or removal of any translating de-vice causes an instant and corresponding reg- 85ulation of the current energiziug thefield-mag-net of the machine, substantially as set forth. This specification signed and witnessed this10th… … ATTORNEY . N. PETERS. Photo-LHhographar. Washington. D. C. (No Model.) 2 Sheets—Sheet 2. T. A. EDISON. REGULATOR FOR DYNAMO ELECTRIC MACHINES. No. 264,669. Patented Sept. 19, 1882.

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