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How many elements did Edison try before inventing the light bulb?

April 26, 2017Edison elements inventing light bulb Try

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How many elements did Edison try before inventing the light bulb?

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No exact number has been recorded but it is in the thousands. http://sln.fi.edu/qa98/attic12/attic12.html The light bulb was not invented by Edison, but by Joseph Swan, a British inventor, who published his work and was plagiarised by Edison who took the credit.