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 527
N- PETERS, PHOTO-LITHOGRAPHER, WASHINGTON, [ 2 Sheets-Sheet 2. T. A. EDISON.TELEGRAPHIC ALARM AND SIGNAL APPARATUS.No. 186,548. Patented Jan. 23/ 1877. … N.PETERS, PHOTO-LITHOGRAPHER, WASHINGTON. D C. United States Patent Office. THOMAS A. EDISON, OP MENLO PARK, NEW JERSEY, ASSIGNOR TO THEDOMESTIC TELEGRAPH COMPANY, OE NEW YORK. IMPROVEMENT IN TELEGRAPHIC ALARM AND SIGNAL APPARATUS. Specification forming part of Letters Patent No. 186,548, dated…
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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