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 749
(No Model.) T. A. EDISON.Brake for Electro-Magnetic Motors No, 228,617. Patented June 8, 1880. Fn1- … n.peters. photo-lithographer, Washington, o. c. United States Patent Office. THOMAS A. EDISON, OF MBNLO PAEK, NEW JERSEY.BRAKE FOR ELECTRO-MAGNETIC MOTORS. SPECIFICATION forming part of Letters Patent No. 228,617, dated June 8, 1880. Application filed March 20,1880. (JsTo model.) To all wliom it…
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.
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