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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
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history of light bulb
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è stato aggiornato:
6 feb 2020
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Karthika C M
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Eventi
Humphry Davy First electric light using carbon.
Warren de la Rue Made a design with platinum
Joseph Wilson Swan Light bulb using carbonized paper filaments
Henry Woodward Lamp with carbon rod
Thomas Edison and the “first” light bulb
tungsten filaments for use in incandescent lightbulbs
William David Coolidge
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