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 1073

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 1073
rth. 4. The combination of an incandescent elec-tric lamp containing two conductors arrangedas described, the circuit leading thereto andtherefrom, the contact-points 12 3 4 and an- 70vils x s z, substantially as and for the pur-poses set forth. This specification signed and witnessed this7th day… … (No Model.) 3 Sheets—Sheet 2. T. A. EDISON. REGULATOR FOR DYNAMO OR MAGNETO ELECTRIC MACHINES). No. 263,136. Patented Aug. 22, 1882.

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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