Centennial Light - Alchetron, The Free Social Encyclopedia

The world's longest-lasting light bulb is in the United States. The address is Centennial Light located at 4550 East Avenue, Livermore, California. It is maintained by the Livermore-Pleasanton Fire Department. The fire department claims that the bulb is at least 119 years old (installed 1901). The light bulb was invented by Adolphe Chaillet, a French engineer. He filed a patent for this technology in 1900. The Centennial Light was originally a 60-watt bulb, but now emitting light as a 4-watt nig

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World's oldest lightbulb: 123 years and still glowing