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Thomas Edison - Wikipedia
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Thomas Edison's Patent Application for the Light Bulb (1880) | National Archives
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November 4, 1879: Thomas Edison Invents the Electric Light, Files Patent – Constituting America
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Edison's first successful electric lamp | SPARK Museum of Electrical Invention
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Electric Lamp
Electric Lamp
Electric Lamp
.jpg?mode=max "Edison works on his lightbulb, Thomas Edison. 1880-1886 | Christie's")
Edison works on his lightbulb, Thomas Edison. 1880-1886 | Christie's
