KALEIDOPHONE

Noun

kaleidophone (plural kaleidophones)

(obsolete, physics) A device, consisting of a reflective ball attached to a vibrating rod or plate, that produces optical figures that correspond to the mode of vibration of the rod or plate

Source: Wiktionary

Ka*lei"do*phon, Ka*lei"do*phone, Etym: [Gr. (Physics.)

Definition: An instrument invented by Professor Wheatstone, consisting of a reflecting knob at the end of a vibrating rod or thin plate, for making visible, in the motion of a point of light reflected from the knob, the paths or curves corresponding with the musical notes produced by the vibrations.

Source: Webster’s Unabridged Dictionary 1913 Edition

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