KALEIDOPHON
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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10 June 2025
COMMUNICATIONS
(noun) the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.); “communications is his major field of study”
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