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 1457
(No Model.) 3 Sheets—Sheet 3. T. A. EDISON. SYSTEM OF ELECTRICAL DISTRIBUTION. No. 274,290. Patented Mar. 20,1883. … United States Patent Office* THOMAS A. EDISON, OF MENU) PARK, NEW JERSEY.SYSTEM OF ELECTRICAL DISTRIBUTION. SPECIFICATION forming part of Letters Patent No. 274,290, dated March 20, 1883. Application filed November 27, 1882. (No model.) To all whom it may concern : Be it known that I, Thomas A.…
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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