Labels:text | book | collectable OCR: A JOSEPH SWAN 1828-1914 E F JOSEPH OSEPH WILSON SWAN was born G in Sunderland, England, and H worked for a photographic-plate I manufacturer. He was a very K inventive man, devising the dry plate which simplified the processing of M photographs, and bromide paper, N which is still used for printing off P photographic negatives. a working lamp with a filament Q In 1858, he started experiments to of carbon. Thomas Edison, the R create electric light. His first attempt American inventor, produced a S consisted of a piece of burned paper similar lamp at around the same between two electrodes in a glass time. At first, the two inventors T bulb. By 1878, Swan had produced argued about who had invented the light first. Eventually, they sorted out their differences and formed W the Edison and Swan United Y Light Bulb Electric Light Company in 1883. 7 M
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