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Title: Sir Joseph Swan (1828-1914), English physicist and chemist, 1911-1912. Artist: D Cameron-Swan
Caption: 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.
Credit: Album / The Print Collector / Heritage Images
Image size: 2614 × 6741 px | 50.4 MB
Print size: 22.1 × 57.1 cm | 1029.1 × 2653.9 in (300 dpi)