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 41
ps d d upon the standardA, in combination with the type-wheel T, sub-stantially as herein specified. 8. The arrangement of the tongue 0 in theslot b of the permanent magnet N S by meansof a pivot, a, and screw c, whereby the induct-ive magnetic influence of the permanent mag-neto S upon the tongue… … N. PETERS, Photo-LithographW. Washington, D. C. United States Patent Office. THOMAS A. EDISON, OF NEW TOEK, N. Y.IMPROVEMENT IN ELECTRO-MOTOR ESCAPEMENTS. Specification forming part of Letters Patent No. 103,035, dated May 17, 1870. To all whom it may concern: Be it known that I, Thomas A. Edison,…
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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