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 1367
orth. 3. The combination, with a Spreugel or droppump, of a filtering-tube containing brokeuor 65crushed glass and having a contracted exit,said filtering-tube being located between theelevated mercury-reservoir and the drop-tube of the pump, substantially as set forth. This specification signed… … N. PETERS, Photo-Lithographer, Washington, D. C. United States Patent Office THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY, ASSIGNOR TO THEEDISON ELECTRIC LIGHT COMPANY, OF NEW YORK, N. Y. ELECTRIC DISTRIBUTION SYSTEM. SPECIFICATION forming part of Letters Patent No. 266,793, dated October 31, 1882.…
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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