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 689
rough the entirebody, substantially as set forth. 3. In combination with a rigid light-givingbody having a longitudinal incision, an ex-pansive thermal-circuit regulator to control thestrength of the current by the heat developed,substantially as set forth. Signed by me this 3d day of December,… … N_ PETERS. Photo-Lithographer. Wastwngtort, 0 C. United States Patent Office THOMAS A* EDISON, OF MEMO PARK, NEW JERSEY, ASSIGNOR OF ONE-HALF INTEREST TO GEORGE B. PRESOOTT. IMPROVEMENT IN QUADRUPLEX-TELEGRAPH REPEATERS. Specification forming part of Letters Patent No. 209,241, dated October 22,…
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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