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Using a filament of carbonized thread, Thomas Edison tests the first practical electric incandescent light bulb (lasting 131⁄2 hours before burning out).
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Incandescent light bulb
Electric light bulb with a resistively heated wire filament
An incandescent light bulb, also known as an incandescent lamp or incandescent light globe, is an electric light that produces illumination by Joule heating a filament until it glows. The filament is enclosed in a glass bulb that is either evacuated or filled with inert gas to…Source: Wikipedia (CC BY-SA)
October 22
Day of the year
October 22 is the 295th day of the year in the Gregorian calendar; 70 days remain until the end of the year.Source: Wikipedia (CC BY-SA)