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Edison's light bulb turns 135 | National Museum of American History
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Edison's light bulb turns 135 | National Museum of American History
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Edison works on his lightbulb, Thomas Edison. 1880-1886 | Christie's
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In October 1879, Edison "perfected" the light bulb | Signify Company Website
File:Demonstration light bulb, stated to be the first light bulb ever lit in public, 1879, from Henry Ford collections - Museum of Science and Industry (Chicago) - DSC06446.JPG - Wikimedia Commons
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Remember the Light Bulb? LEDs are Sending the Bulb's Classic Shape the Way of the LP | GE News