Edison Light Bulb, 1879, Smithsonian's National Museum of American History Thomas Edison used this carbon-filament bulb in the first public demonstration of his most famous invention—the light bulb, ...
Edison carbon lamp, ca.1884. Brass medium-screw base with plaster-dome insulator. Single-arch bamboo filament with copper-plated connectors, 3-piece leads, cork insulator. Ball-tipped, pear-shaped ...
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