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 1525

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 1525
emainder in a multiple-arc cir-cuit thereform, and translating devices ar-ranged in multiple arc, of a centrifugal govern-or acting to vary the resistance of said multi- 55pie-arc circuit according to variations in thespeed of said armature-shaft, substantially asset forth. This specification… … INVENTOR a. Photo-Lithographer. Washington, C United States Patent Office. THOMAS A. EDISON, OF MENLO PAEK, NEW JEESEY, ASSIGNOR TO THEEDISON ELECTRIC LIGHT COMPANY, OF NEW YORK, N. Y. REGULATOR FOR DYNAMO-ELECTRIC MACHINES. SPECIFICATION forming part of Letters Patent No. 278,414, dated May 29,…

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