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 646

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 646
for collecting extraneous sounds andcausing them to move the diaphragm. This apparatus is useful for giving motionto clocks and other small apparatus requiringminute power. I claim as my invention— A vocal engine consisting of a diaphragm orother body capable of being set in motion bysound-waves, a… … N.PETERS, PHOTO-LITHOGRAPHER, WASHINGTON, 0 C. United States Patent Office. THOMAS A. EDISON, OP NEWARK, NEW JERSEY, ASSIGNOR OF ONE-HALFHIS EIGHT TO GEORGE B. PRESOOTT. IMPROVEMENT IN Q.UADRUPLEX-TELEGRAPH REPEATERS. Specification forming part of Letters Patent No. 209,241, dated October 22, 1878;…

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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