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Definition of Auxetophone
1. n. A pneumatic reproducer for a phonograph, controlled by the recording stylus on the principle of the relay. It produces much clearer and louder tones than does the ordinary vibrating disk reproducer.
Definition of Auxetophone
1. Noun. (historical) A pneumatic type of sound-recorder used in the early part of the twentieth century. ¹
¹ Source: wiktionary.com