Bible Dictionaries
Telegraphone

Webster's Dictionary

(n.) An instrument for recording and reproducing sound by local magnetization of a steel wire, disk, or ribbon, moved against the pole of a magnet connected electrically with a telephone receiver, or the like.

Bibliography Information
Webster, Noah. Entry for 'Telegraphone'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/telegraphone.html. 1828.