Thomas Alva Edison is an unparalleled figure in the history of ... communication through the telegraph and telephone led to his first major invention: the phonograph. After investigating acoustic ...

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 ...

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 ...

In 1877, he used his phonograph machine to record ... of tests so that he wouldn’t risk offending Edison. Thomas Jr. dreamed of his invention being installed in every car in the nation.

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 ...

From Thomas Edison’s groundbreaking work developing the lightbulb and phonograph to the invention of the ice cream cone, the state has been at the forefront of technological and culinary ...