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 1633
tion of the pulley toward thepoles is prevented, substantially as set forth. 2. The combination, with a dynamo-electric 70machine or electric motor whose field-mag-nets are so arranged that the driving-pulley iswithin their attractive influence, of a brasspulley, whereby the attraction of the… … N. PETERS. Photo-Lithographer. Waahmgtqfl, 0. C. United States Patent Office0 THOMAS A. EDISON, OF MENLO PAEK, NEW JEESEY.DYNAMO-ELECTRIC MACHINE. SPECIFICATION forming part of Letters Patent No. 287,514, dated October 30, 1883,Application filed June 29, 1883. (Xo model.) To all whom it may…
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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