Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 121
st seven harmonics arepresent, and give to the sound its piercing character. In thecase of the piano the 1st, 2nd and 3rd harmonics are fairlystrong, while the 4th, 5th and 6th are more feeble. 125. Sympathetic Vibrations. A tuning-fork is usually mounted ona box of a definite size. The stem of the… … Let us place two tuning-forks, which vibrate the same number oftimes per second, with the open ends of their resonance boxes facing eachother and a short distance apart (Fig.137). Now vibrate one of them vigor-ously by means of a bow or by strikingwith a soft mallet (a rubber stopper ona handle),…
Physics
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