Specification of Thomas Alva Edison. Electric lamps. No. 4576, 10 November, 1879. Bound with thirteen other patents, including eight more by Edison, most concerned with electric lighting, the design and manufacture of light
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Edison Electric Light Co begins operation, October 15, 1878 - EDN
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THOMAS ALVA EDISON
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Sign stating the following: This Room Is Equipped with Edison Electric Light. Do not attempt to light with match. Simply turn key on wall by door. - Southern California Edison Photographs and
Oct. 21, 1879: Edison Gets the Bright Light Right | WIRED
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Edison's Lightbulb | The Franklin Institute
