Thomas Edison successfully demonstrates the phonograph for the first time. Although some believe it happened in mid August, most historians believe December 6 to be the correct date.
Edison filed for a patent for the phonograph on December 24, 1877 and the patent was issued on February 19, 1878. The original phonograph was invented and patented by Edouard-Leon Scott in 1857. He called his device the phonautograph . His invention made a recording of sound waves on a glass plate, but it was not able to play back the sounds. More
