Do-it-yourself projects and technology updates

World’s Longest Working Lightbulb

First installed at the fire department hose cart house in 1901. Made by the Shelby Electric Company, a handblown bulb with carbon filament. Approximate wattage: 4 watts. Left burning continuously in firehouse as a nightlight over the fire trucks.

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This entry was posted on Friday, October 28th, 2005 at 8:07 am and is filed under Logs. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.