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 1537
in the chamberto be exhausted by another gas, (such as hydro-chloric-acid gas, hydrobromic-acid gas, or am-monia-gas,) and then connecting such cham- 30ber with another chamber containing a sub-stance which readily absorbs such gas, sub-stantially as set forth. This specification signed and… … United States Patent Office. THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY, ASSIGNOR TO THEEDISON ELECTRIC LIGHT COMPANY, OF NEW YORK, N. Y. MANUFACTURE OF INCANDESCING ELECTRIC LAMPS. SPECIFICATION forming part of Letters Patent No. £73,417, dated May 29, 1883. Application filed January 22, 1883.…
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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