1877 Invented by Thomas Edison the “Phonograph Cylinder” was the earliest commercial solution for recording sound.
1892 Gramophone or the “Disc Record Gramophone” was invented by Emile Berliner. It is technically described as a flat polyvinyl chloride disc featuring an inscribed , modulated spiral groove.
1948 The Long Play Vinyl LP was introduced by Columbia Records. It became the standard in the record industry and was improved with the addition of “stereophonic Sound”.
1954 Transistor Radio that becomes the most popular electronic communication device in history.
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