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 1649

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 1649
ch provided with a cir- 20cuit-controller, and means for constantly in-dicating the electrical condition at the termi-nals of said feeding-circuits, of means for reg-ulating the current generated at the source ofsupply, substantially as set forth. 25 This specification signed and witnessed this14th… … WITNESSES: \ INVENTOR: N. PETERS. Phoiq-Lithographer. Washington. D. C. United States Patent Office THOMAS A. EDISON, OP MLO PABK, NEW JEBSEY, ASSIGNOE TO THEEDISON ELECTRIC LIGHT COMPANY, OF NEW YORK, N. Y. METHOD OF MANUFACTURING INCANDESCING ELECTRIC LAMPS. SPECIFICATION forming part of Letters…

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