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.jpg?mode=max "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
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Who Invented the Lightbulb?
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National Inventors Hall of Fame Inductee Thomas Edison and the Light Bulb
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Top Inventor Battle: Thomas Alva Edison vs. Nikola Tesla - ISFMA
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Great Influencers in Energy: Thomas Edison may not have invented the light bulb; but where would it (or we) be without him. - Opinion Dynamics
Thomas Edison's Patent Application for the Light Bulb (1880) | National Archives
