There is the oldest for more than 110 years using bulb in Livermore, California. It was arranged at the fire department in 1901 and it is still in use.
This amazing light bulb was invented by Adolphe A. Chaillet and manufactured by the Shelby Electric Company.
This light bulb has been turned on ever since, over 40,150 days. The only rest she took was for about 7 days during a renovation and the random power outages over the decades. She always woke up.
source: gizmodo
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