If you think of records as platters, you are of a certain age. If you don’t remember records at all, you are even younger.

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 ...

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 ...

His teenage brother played a 45 rpm single of Elvis Presley singing “(You Ain’t Nothin’ But a) Hound Dog” on a portable record ... back to Thomas Edison’s invention of the phonograph ...