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Thomas Edison receives a patent for his incandescent lamp.
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Thomas Edison
American inventor and businessman (1847–1931)
Thomas Alva Edison was an American inventor and businessman. He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures. These inventions, which include the phonograph, the motion picture camera, and early…Source: Wikipedia (CC BY-SA)
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)
January 27
Day of the year
January 27 is the 27th day of the year in the Gregorian calendar; 338 days remain until the end of the year.Source: Wikipedia (CC BY-SA)