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1.Phonograph (gramophone)
History: An invention of the 19th century by Thomas Edison that causes the analogue reproduction of sound.The instrument uses the vibration of a stylus, or needle, following a groove on a rotating disc. The discs is flat while the groove usually starts near the outside edge and ends near the center of the disc.
Function:
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2.Record players
History:
Function:
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3.WalkmanHistory:
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