Kaleidophon

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Kaleidophon \Ka*lei"do*phon\, Kaleidophone \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.
     [1913 Webster]