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 1499
solution of carbouizable material,placing said filament in the lamp-globe, ex- 70haustiugthe air from said globe, the filamentbeing heated to incandescence during the lat-ter portion of the exhausting process, andfinally hermetically sealing the globe, substan-tially as set forth. 75 This… … WITNESSES: INVENTOR: ATTORNEY United States Patent Office. THOMAS A. EDISON, OF MENLO PAKK, NEW JERSEY.INCANDESCING ELECTRIC LAMP. SPECIFICATION forming part of Letters Patent No. 275,613, dated April 10, 1883. Application filed August 7,1382. (~Ko model.) To all whom it may concern: Be it known…
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.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-344-155.webp)
