People are making more of an effort to conserve en... ...filament bulb made by French electrical engineer Adolphe A. Chaillet above has been burning since 1901- and it's still...
https://www.neatorama.com/2017/03/12/This-Light-Bulb-Has-Been-Burning-Since-1901/
This Light Bulb Has Been Burning Since 1901...
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