Inside Out Library

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 427

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 427
claim as my invention— 156,§43 The local batteries u and v or w and x ina shunt from the main line and opposingeach other, and a connection between themto the transmitting or receiving instrument,in combination with the main batteries, re-sistances, and circuits, arranged substantiallyas and for… … N. PETERS. Photo-Lithographer. Washington. D. C. United States Patent Office THOMAS A. EDISON, OF NEWARK, NEW JERSEY.0 M PROVEM ENT 8 N TELEGRAPH APPARATUS. Specification forming part of Letters Patent No. t5§sr§T, dated January 10. 1875 ; application filed August 13, 1874. To aM whmu if may…

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.

More pictures from Collection of United States patents granted to Thomas A. Edison, 1869-1884

More like this