File:Collection of United States patents granted to Thomas A. Edison, 1869-1884 (1869) (14733703766).jpg

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Identifier: CollectionUniteVol2Edis (find matches)
Title: Collection of United States patents granted to Thomas A. Edison, 1869-1884
Year: 1869 (1860s)
Authors: 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
Subjects: Catalogs Patents Edison, Thomas A. (Thomas Alva), 1847-1931 Inventions Telegraph Electric machinery Electric apparatus and appliances Phonograph Telephone Motors Catalogs Patents Catalogs Patents Catalogs
Publisher: Washington, D.C. : U.S. Patent Office
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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(No Model.) T. A. EDISON.Incandescing Electric Lamp. No. 239.149. Patented March 22,1881.
Text Appearing After Image:
United States Patent Office THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY.INCANDESCING ELECTRIC LAMP. SPECIFICATION forming part of Letters Patent No. 339,149, dated March. 22, 1881. Application filed December 15, 1880. (So model.) To all whom it may concern : Be it known that I, Thomas A. Edison, ofMenlo Park, in the county of Middlesex andState of New Jersey, have invented a new and5 useful Improvement in Incandescing ElectricLamps ; and I do hereby declare that the fol-lowing is a full and exact description of thesame, reference being had to the accompany-ing drawings, and to the letters of reference to marked thereon. My invention relates to incandescent elec-tric lamps, and is intended as an improvementon the form shown in Letters Patent No.230,255, issued to me July 20, 1880. m In the lamp described in the above patentthe glass stem through which the wires passhas a round bulb at the top, in which the wiresare sealed, and a round enlargement belowthis bulb, which supports the exte

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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

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