SIR HUMPHRY DAVY chemist, inventor of the miner's safety lamp (1815) depicted here, Foto de Stock, Imagen Derechos Protegidos Pic. MEV-10022962 | agefotostock
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Edison's carbon filament lamp, 1880. Thomas Alva Edison (1847-1931), American physicist and inventor, Foto de Stock, Imagen Derechos Protegidos Pic. HEZ-1156166 | agefotostock
Electric Lamp Invented By Thomas Edison In 1880 Greeting Card by Science Photo Library
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Sir Humphrey Davy, 1778-1829. English chemist and inventor, Foto de Stock, Imagen Derechos Protegidos Pic. XY2-2706704 | agefotostock
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