Ka*lei"do*phon (?), Ka*lei"do*phone (?), [Gr. beautiful + appearance, form + sound.] Physics.

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.


© Webster 1913.

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