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 573
N. PETERS. Photo-Lithographer. Washington. D. C. 2 Sheets—Sheet 2. T. A. EDISON.Acoustic Telegraph. No. 200,993. Patented March 5, 1878. —M 1 … N. PETERS. Pholo-UIhographer. Washington. 0. C. United States Patent Office, THOMAS A. EDISON, OF MENLO PAEK, NEW JEESEY, ASSIGNOE TO THEWESTEEN UNION TELEGEAPH COMPANY. IMPROVEMENT IN ACOUSTIC TELEGRAPHS. Specification forming part of Letters Patent No. 200,993, dated March 5,1878j application…
Trade catalogs · Patents · Edison, Thomas A. (Thomas Alva), 1847-1931 · Inventions · Telegraph · Electric machinery · Electric apparatus and appliances · Phonograph · Telephone · Motors
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
