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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 ...
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 ...
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 ...
Chemical developments originating from the West Orange laboratory included plastics and waxes for disc and cylinder phonograph records, nickel-iron alkaline electric storage batteries, and ...
A 134-year-old talking doll invented by Thomas Edison managed to spook social ... created the doll in 1890 after he invented the phonograph. It has a mini phonograph mechanism inside its body ...
The bad boy (man?) of inventing is back! And he's going to sing all about the inventions that he totally "invented".
It is Thomas Edison's electric pen ... Only a year after licensing the pen, Edison produced the phonograph and became world famous. Two years after, he gave the world light.
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 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 ...
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