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 1179

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 1179
h. 2. The combination, with the annular core, 50of the exterior inductive bars, the radial endbars, commutator-connections extending fromsuch end bars, and the interior beveled plates, of lower resistance than the exterior inductivebars, substantially as set forth. This specification signed and… … N. PETERS, Pholo-Uhographer. Wahtagta, D. C. United States Patent Office* THOMAS A. EDISON, OF MENLO PAEK, NEW JEESEY, ASSIGNOR TO THEEDISON ELECTRIC LIGHT COMPANY, OF NEW YORK, N. Y. DYNAMO OR MAGNETO ELECTRIC MACHINE. SPECIFICATION forming part of Letters Patent No. 264,649, dated September 19,…

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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