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 1567
h the motor which actu-ates it, of the arm carrying a wheel, bearingio on said belt, the spring holding saitl wheel against said belt, the contact-point carried bysaid arm, and the adjustable resistance in thefield-circuit of the generator, substantially asset forth. This specification signed and… … (No Model.) ip EDISON 3 Sheets—Sheet 2. ELECTRICAL GENERATOR. No. 281,351. Patented July 17, 1883.
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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