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 901
pro-duced being essentially a homogeneous pieceof glass. 2. As a new article of manufacture, a highly-exhausted glass vessel containing an organicsubstance sealed therein by the fusion of theglass, the enveloping-vessel being essentiallya homogeneous piece of glass, substantially asset forth. This… … 4). lOjMirK 5), (No Model.) No. 248,432. 2 Sheets—Sheet 2. T. A. EDISON. MAGNETIC SEPARATOR. Patented Oct. 18,1881.
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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