This Day In History: November 21
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On this day in history, November 21st… 1877 : Thomas Edison announced the first of his inventions, the phonograph, a tinfoil cylindrical device that could not only record sounds, but could also re-play the recorded sound. While experimenting with a way to record telephone communications at his laboratory in Menlo Park, New Jersey, Edison developed a device using a stylus on […]
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