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1 janv. 1903 - De Forest invents Audion

Description:

He envents the audion in an effort to amplify sound waves after thinking the solution for amplification is found in gas and electricity

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Sound Timeline

ByKaroline Herkamp

23 avr. 2021

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Date:

1 janv. 1903

Maintenaint

~ Il y a 122 ans

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