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 1681
-point, the piv-oted bar carrying said spring-arm, the oper-ating electro-magnets acting oppositely upon 40said bar, and one or more dash-pots and plun-gers for retarding the movement of said bar,substantially as set forth. This specification signed and witnessed this28th day of November, 1882.… … N. PETERS. Phclo-Lilhographer. Washington. D. C. (No Model.) 2 Sheets—Sheet 2. T. A. EDISON & C. L. CLARKE. REGULATOR FOR SYSTEMS OF ELECTRICAL DISTRIBUTION. No. 287,525. Patented Oct. 30, 1883.
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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