On December 7, 1877 Thomas Edison demonstrated his phonograph at the New York City offices of the nation's leading technical weekly publication, Scientific American. The following report set off ...
This character and his German exclamation, however, also recall Edison’s demonstration of the prototype phonograph. In the company of his assistant John Kreusi, Edison recited a nursery rhyme and then ...
Edison was one of the first to grasp the importance of chemical knowledge when conducting industrial research and development. There was more chemical knowhow employed in the development of the ...
In 1877, Thomas Alva Edison (1847 – 1931) invented the tin foil phonograph – a machine that recorded sound by indenting a sheet of tin foil into a groove in a cylinder. A later wax version was ...
Like Sculley, the rest is history. Thomas Edison: The Phonograph In 1887, Thomas Edison, the greatest inventor in US history, formed the Edison Phonograph Company – founded to profit from the ...
The two American innovators – Thomas Edison, the inventor of both the electric light bulb and the phonograph, and Henry Ford, pioneer of the automobile – were good friends who built their ...
Rumors of new, improved methods of phonograph recording (on wire, film, etc.) have filled the wartime air. Last week one of the biggest U.S. recording companies, RCA Victor, said that, so far as ...