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What was a major invention of Thomas Edison

User Dmlebron
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2 Answers

6 votes

Answer:

Phonograph

Step-by-step explanation:

APEX

User Parvez
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2 votes

Answer:

Thomas Edison is credited with inventions of the first practical incandescent light bulb and the phonograph.

Step-by-step explanation:

In 1877, Edison developed a method for recording sound that is the phonograph. His innovation relied upon tin-coated cylinders with two needles: one for recording sound, and another for playback.

User Jay Douglass
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