Oberlin Smith was the first to present the magnetic recording principle in 1888.
An audio tape recorder is an audio storage device that records and plays back sounds, including articulated voices, usually using magnetic tape, either wound on a reel or in a cassette, for storage.
Oberlin Smith was the first to present the magnetic recording principle in 1888. Smith had fabricated a cotton or silk thread, into which steel dust or short clippings of fine wire would be suspended.
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