Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 119
a finger or with a feather, and place paper riders on other parts of the string. Quite a different soundis now given, its prevailing tone beingan octave above the other, and henceproduced by twice as many vibrationsper second. The riders are all thrownoff, as before. In tliis case touchingthe… … Fig. 135.—Obtaining nodes and loops in a vibratingstring. The paper riders stay on at the nodes, butare thrown off at the loops. Fig. 136.—Showing how a string vibrateswhen giving (a) its fundamental, (6) itsfirst harmonic, (c) both of thesetogether.
Physics
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