Important Facts About Thomas Edison & the Invention of the Light Bulb
https://sciencing.com/important-thomas-edison-invention-light-bulb-6305.html
WEBMar 13, 2018 · Thomas Edison and his lab associates, called "Muckers," conducted thousands of experiments to develop the electric light bulb. To make it functional, each step required the invention of a new component, from vacuumed and sealed glass bulbs to switches, special types of wire and meters.
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