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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 1335

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 1335
her 45heating-resistance arranged in multiple arc,and a thermostatic spring affected by the heat of the lamp or other resistance, and circuitsclosed at the front and back contacts of thespring4or controlling the regulation of thema- 50chine, substantially as set forth. This specificatiou sigued aud… … PETERS. Pholo.L»hogn.i*.r. Wa.hmgton, 0. C. United States Patent Office0 THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY.REGULATOR FOR DYNAMO-ELECTRIC MACHINES. SPECIFICATION forming part of Letters Patent No. 265,783, dated October 10, 1882. Application filed August 14, 1?S2. (Xomodtl.) 4 To all whom…

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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