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 1697
no electrical connection with the maincircuit, and supplied with current from asource external to said generator or genera-tors, and means acting upon the separate cir- 35cuit for controlling and regulating the force orpressure in the main circuit, substantially asset forth. This specification… … N, PETERS. Photo-Lithographer, Washington, D. C United States Patent Office- THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY. ELECTRICAL GENERATOR OR MOTOR. / SPECIFICATION forming part of Letters Patent Ho, 293,432, dated February 12, 1884, Application filed October 18, L883. (No model.) ib all ivhcmv…
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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