Longest burning light bulb record

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Oliver
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Joined: Tue Nov 06, 2018 5:48 pm
Location: County Durham

Longest burning light bulb record

Postby Oliver » Sun Sep 08, 2019 12:20 pm

https://www.centennialbulb.org/

This incandescent lamp is the longest burning light bulb. Over one million hours so far.
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