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Webster 1913 Edition
Kaleidophone
{
Ka-lei′do-phon
,Ka-lei′do-phone
, }[Gr. [GREEK] beautiful + [GREEK] appearance, form + [GREEK] 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.