The Electric Light System - Thomas Edison National Historical Park (U.S. National Park Service)
Edison's first successful electric lamp | SPARK Museum of Electrical Invention
Dec. 18, 1878: Let There Be Light — Electric Light | WIRED
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First incandescent lamp | This shows the lamp used in the fi… | Flickr
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Electric Lamp Invented By Thomas Edison In 1880 Photograph by Science Photo Library - Fine Art America
Lamp | Definition, History, Types, & Facts | Britannica
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Dec. 18, 1878: Let There Be Light — Electric Light | WIRED
Untitled Document
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