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
Geordie lamp designs in early years and later adopted Davy's gauze in preference to the tubes and it was this revised design that was used for most of the 19th century as the "Geordie" lamp. The Geordie lamp continued to be used in the north-east of England through most of the 19th century, until the introduction of electric lighting. Bibliography Geordie lamp The Geordie lamp was a safety lamp for use in inflammable atmospheres, invented by George Stephenson in 1815 as a miner's lamp to prevent explosions due to firedamp in coal mines. In 1815, Stephenson was the engine-wright at the Killingworth