When They Electrified Christmas
Cars That Think
DECEMBER 3, 2021
advertised "Winking Fairy Lights for Christmas Trees" in Hardware Dealers' Magazine. The earliest Christmas lights used miniature versions of Edison's pear-shaped carbon-filament bulbs, which had fragile exhaust tips that were prone to breaking. In 1910 GE changed its basic design to a round bulb, although still with the exhaust tip.
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