Once the basic principle of the phonograph was discovered, the years of arduous work on its development by Edison and others dealt largely with the composition and handling of materials for ...

That changed in 1877 when Thomas Edison unveiled his phonograph. It wasn’t the first such device to record and play back audio, but it was the first generally reliable one: scratchy and nearly ...

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 ...

But there was a time when audio records were not flat — they were drums, which was how the original Edison phonograph worked. [Our Own Devices] did a video earlier showing one of these devices ...

Thomas Edison, the great American inventor who also invented the phonograph. But not everyone knows the drama behind inventing the lightbulb. Did Edison REALLY invent the lightbulb?

In a way, of course, all this goes back to Thomas Edison’s invention of the phonograph 80 years earlier. Back then, he thought he was inventing a playback dictaphone machine, which would make ...

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 ...