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The Phonograph
Part 1 of Paper
....record. A record is a vinyl disk that has a spiral groove with tiny bumps on the walls of the groove; the bumps encode a musical or other type of recording. has four principal components: the turntable, the tonearm, the stylus, and the amplifier, although an amplifier is not always incorporated into the instrument.
Th.... Part 2 of Paper
....s then rotated against a needle. The needle moved up and down in the grooves of the cylinder, producing vibrations that were amplified by a conical horn. Because of the vertical movement of the needle, this recording method was called the "hill-and-dale" process.
Edison had intended the phonograph to be used primarily as a dictating machine in offices. However, with the invention of the flat-disk phonograph, or gramophone, by the German-born American inventor Emile Berliner in 1887, the phonogra.... |
| Number of words: 1562 - Approximate pages: 6 |
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