OUR PRODUCT MANUFACTURERS — Edison Swan Electric Co

Edison Swan of 36-7 Queen Street, London (1908) Joseph Swan experimented with incandescent lamps but lacked an adequate vacuum pump. He heard about a newly invented air pump known as a Sprengel pump and applied this to his experiments. 1877 Thomas Edison turned his attentions to electric lighting towards the end of 1877. He believed that commercially successful lighting needed to have similar characteristics to the existing gas lighting. His early experiments using carbonized paper and carbon were failures. The lamp usually cited as his first success was made on 19th October 1879 but the carbonized cotton used as the...