Thomas Edison Didn’t Invent Light Bulb

Thomas Edison in 1878, about the time he was working on the incandescent electric lighting system


Thomas Edison in 1878, about the time he was working on the incandescent electric lighting system.

 

Edison did not invent the first electric light bulb, but instead invented the first commercially practical incandescent light. Source 

Edison showed his light bulb burning in December, 1879.

Edison’s Lightbulb

 

 

 

 

Of course, he was a very busy inventor.

 

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