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 ...

On December 7, 1877, Edison conducted the first ... and waxes for disc and cylinder phonograph records, nickel-iron alkaline electric storage batteries, and improvements to the manufacture of Portland ...

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 ...

I remember the moment I got interested in music. I was 10 years old, sitting in a friend’s attic in our eastside Dayton ...

In reality, Thomas Edison Jr. had very little in common ... his most impressive contributions to the world. In 1877, he used his phonograph machine to record “Mary Had a Little Lamb” on ...