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The phonograph, also called record player, is an instrument for reproducing sounds by means of the vibration of a stylus, or needle, following a groove on a rotating disc. American inventor Thomas Edison has been given the credit for its creation in 1877; Edison’s phonograph featured a cylinder wrapped in tinfoil as its recording medium. Edison moved on to other projects after that, and other inventors set out to improve the phonograph. By 1885 Bell and his colleagues (his cousin Chichester A. Bell and the inventor Charles Sumner Tainter) had a design fit for commercial use that featured a removable cardboard cylinder coated with mineral wax. This improvement, along with the addition of a more flexible stylus, increased the sound quality of the playback.
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Reviewed by faster share
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May 31, 2018
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Reviewed by faster share
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May 31, 2018
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