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 1053
bstantially as andfor the purposes set forth. 2. The method of forming riffles in a mining- sluice, consisting in arresting any magneticsubstances which enter the sluice and holdingthese substances at various points by mag-netic attraction, substantially as set forth. This specification signed and… … ^Atte S J =4). JO. JlcH-* Inve^Itdp m ^05. a. S^om /\t T D F\ N C Y ^ , N. PETERS. Photo-Lithographer, Washington, D. C (No Model.) 3 Sheets—Sheet 2. T. A. EDISON. ELECTRO MAGNETIC RAILWAY. No. 263,132. Patented Aug. 22, 1882. 4
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.
