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
Moscow Electric Lamp Plant Moscow Electric Lamp Plant Moscow Electric Lamp Plant () is a company based in Moscow, Russia. The Moscow Electric Lamp Production Association has been a leader in the development and production of vacuum tubes for both civil and military use. It is a major producer of cathode ray tubes (CRTs) for color television receivers, and for many years was one of the largest producers in Russia of photoelectronic multiplier tubes (used in light sensing devices). The Association includes three major production facilities: the Moscow Electrovacuum Instrument Plant, which is co-located with the association; the Khromatron Plant, located elsewhere in Moscow;