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Thomas Edison's 140-year-old experimental lightbulb up for auction
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Edison invents the light bulb...on this day | Share America
Bulb Still Burning After 100-Plus Years as GE Brings Business Back to US - ABC News
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In October 1879, Edison "perfected" the light bulb | Signify Company Website
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Edison Light Bulb | Smithsonian Institution
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History of the First Lightbulb | Who Invented the Lightbulb?
Vintage Industrial Edison Bulb Uplight | Kirklands Home
Edison's light bulb turns 135 | National Museum of American History
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Dec. 18, 1878: Let There Be Light — Electric Light | WIRED
