Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 213
9. Sympathetic Vibrations. Let us place two tuning-forks, which have the same vibration numbers, with the openends of tlieir resonance boxesfacing each other and a shoi-tdistance apart (Fig. 238). Nowvibrate one of them vigorouslyby means of a bow or by strikingwith a soft mallet (a rubberstopper… … Fig. 23S.—Two tuninsr-forks arranged toshow sympathetic viljrations. When oneis vibrated the other responds. ILLUSTRATIONS OF SYMPATHETIC VIBRATIONS—BEATS 203 This illustrates the phenomenon of sympathetic vibrations.The first fork sets up vibrations in the resonance box on whichit is mounted, and…
Physics
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