Algus Praktiline autoritasu thomas edison invented the light bulb Puutumata asendama Shetland
History of the Light Bulb | Lighting Basics | Bulbs.com
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Thomas Edison didn't invent the light bulb—but here's what he did do
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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
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Edison's light bulb turns 135 | National Museum of American History
November 4, 1879: Thomas Edison Invents the Electric Light, Files Patent – Constituting America
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Kantra Electric Inc - Thomas Edison invented the lightbulb, however, Edison shouldn't be the only person who gets credit for the light bulb because several others contributed to its invention before him.