Edison and Swan Electric Light Company Edison and Swan Electric Light Company The Edison and Swan Electric Light Company Limited was a manufacturer of incandescent lamp bulbs and other electrical goods. It was formed in 1883 with the name Edison & Swan United Electric Light Company with the merger of the Swan United Electric Company and the Edison Electric Light Company. Thomas Edison established the Edison Electric Light Company in 1878. Joseph Swan established the Swan United Electric Light Company in 1881. In 1882 the American Edison Company of Thomas Edison sued Swan, claiming infringement of Edison's U.S. patent of 1879; however, they never made it
Timeline of United States inventions (before 1890) the outside surface which could be reproduced when the cylinder was played. Later, the gramophone record with modulated spiral grooves set atop a rotating turntable. The phonograph was invented in 1877 by Thomas Alva Edison at his laboratory in Menlo Park, New Jersey. On February 8, 1878, Edison was issued the first patent (U.S. patent #200,521) for the phonograph. 1877 District heating District heating distributes heat generated in a centralized location for residential and commercial heating requirements. The heat is often obtained from a cogeneration plant burning fossil fuels but increasingly biomass, although heat-only boiler stations, geothermal heating and central