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 1453
on5 each side of intersecting: streets and the pairsof conductors inclosed therein, of a single cen-tral box, into which all of such tubes run, andtwo pole-plates withiu such central box, to which all the conductors are connected, sub-stantially as set forth. This specification signed and witnessed… … N. PETERS, PHoto-Lithographer, Washington, D. C.
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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