Show edison inventions from signal device to rubber some of the important inventions accredited to thomas A edison included the following telegraphic signal device 1863 the repeater 1865 the voting machine 1868 improved stock market ticker 1869 a typewriter 1871 quadruple telegraphic repeater 1872 district signal box 1874 autom automatic abic telegraph transmitter 1875 1171 mimeograph 1 1875 carbon telephone transmitter 1875 phonograph 1877 incandescent lamp 1878 electric dynamo 1880 electric arnolor 1881 trolley car 1881 electric meter 1881 ore separator 1881 valve gear 1882 electric railway turntable 1882 railway signal system 1885 process for making plate glass 1887 extracting gold from sulphate uI phate ores 1888 sleeping doll 1889 motion picture camera 1891 composition brick 1893 rock crusher dryer and mixer 1897 alkaline storage battery 1900 reversible galvanic battery 1901 improved cement mixer 1902 a photographic film 1903 recording telephone 1905 improved phonograph 1908 a starting system for automo automobiles bl i es 1912 talking pictures 1913 flashlight h 1914 improved transmitter 1918 electro electroplating plating 1919 disc phonograph records 1923 improved radio receiver 1926 synthetic rubber 1931 |