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Phonograph was invented by Rhomas Edison
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Gramophone was invented by Emile Berliner
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Marconi was awarded British patent 12039, Improvements in transmitting electrical impulses and signals and in apparatus there-for, for radio
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AEG created the world's first practical tape recorder, the K1, first demonstrated in Germany in 1935 at the Berlin Radio Show
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The long-playing microgroove vinyl record, or “LP”, was developed at Columbia records and introduced in 1948.
