Thomas Edison invented the automatic repeater, duplex telephone, phonograph, the electric pen, the microphone,…
"Thomas Alva Edison was born at Milan, Ohio, February 11, 1847, but the family soon after moved to Port…
Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman…
"A Phonograph is an instrument for recording and reproducing sounds, invented by Thomas A. Edison."—(Charles…
An instrument for recording and reproducing the vibrations of sound. It was invented by Thomas A Edison…
Any sound-reproducing machine using records in the form of cylinders or discs.
Record player, phonograph or gramophone was the most common device for playing recorded sound from the…
Machine in which rotating records cause a stylus to vibrate and the vibrations are amplified acoustically…