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In October 1879, Edison "perfected" the light bulb | Signify Company Website
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The Light bulb
Thomas Edison's Patent Application for the Light Bulb (1880) | National Archives
Edison's Lightbulb | The Franklin Institute
Thomas Edison - Wikipedia
November 4, 1879: Thomas Edison Invents the Electric Light, Files Patent - Constituting America
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1890 Edison Light Bulb Patent Print Vers 2 Thomas Edison - Etsy
Thomas Edison's Light Bulb - YouTube
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6 Famous Inventors Who Didn't Actually Invent Their Masterpiece
Thomas Edison Light Bulb Canvas Wall Art by Patent77 | iCanvas
Who Invented the Light Bulb? It Wasn't Just Edison | HowStuffWorks
Great Influencers in Energy: Thomas Edison may not have invented the light bulb; but where would it (or we) be without him. - Opinion Dynamics
The Electric Light System - Thomas Edison National Historical Park (U.S. National Park Service)
40+ Thomas Edison Light Bulb Stock Photos, Pictures & Royalty-Free Images - iStock | Wright brothers, Old lightbulb, Model t
Thomas Edison | Biography, Early Life, Inventions, & Facts | Britannica
Thomas Edison Lights the Way – NTC's Professional Educators Network
