6-931s08.jpg
Description:
Drawing of Thomas Edison’s electric lamp patented on January 27, 1880. (Image courtesy of National Archives and Records Administration.)
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6-931s08.jpg
Alt text:
Drawing of an electric lamp and filament from Thomas Edison's U.S. patent, January 27, 1880.
Caption:
Drawing of Thomas Edison’s electric lamp patented on January 27, 1880. (Image courtesy of the National Archives and Records Administration.)
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2008
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