when Thomas Alva Edison invented his bulb for the first time then for how many minutes it glowed
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Invented in 1879 and patented on January 27 1880
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1879: __Thomas Edison crowns 14 months of testing with an incandescent electric light bulb that lasts 13½ hours.
here's the link where u can get more of it!...
https://www.wired.com/2009/10/1021edison-light-bulb/amp
here's the link where u can get more of it!...
https://www.wired.com/2009/10/1021edison-light-bulb/amp
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