Sir Joseph Swan (1828-1914), English physicist and chemist, : D Cameron-Swan

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Sir Joseph Swan (1828-1914), English physicist and chemist, 1911-1912. Swan invented the incandescent electric lamp in Britain at about the same time as Thomas Edison patented it in the USA. He also invented a vacuum pump for light bulbs and several photographic processes. Later, Edison joined up with Swan to form the Edison & Swan United Electric Light Company.

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