KANSAS CITY, Mo. (KCTV) - December 24, 1877. Thomas Edison files a patent for the first phonograph capable of recording and playing sound. The groundbreaking product was a byproduct of Edison’s work ...
When Thomas Edison invented the phonograph, he gave the world its first device that could both record and replay sound. A vibrating diaphragm pressed a stylus into soft wax, carving microscopic ...
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