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 105
No. 123,005. T. A. EDISON.Telegraph Apparatus. 4 Sheets—Sheet 2. Patented Jany 23, 1872. … Oily. PETERS. Pholo-Lithographer. Washington. D. C. TV A. EDISON, Telegraph Apparatus. 123,005,
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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