Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 376
on the right-hand side of the keyboardof a piano or organ are much higher in pitch than thenotes on the left-hand side of the keyboard. The idea ofpitch in sound is a perfectly definite one. Pitch trans-lated into vibration is equally definite. If two tuning forksof different pitch have a bristle… … Fig. 245.—Savarts wheel. a greater number of waves, giving evidence of being inmore rapid vibration than the tuning fork of lower pitch,the longer fork (Fig. 244). We say then that pitch dependsupon the number of vibrations per second. We may determine the number of vibrations which cor-24
Physics
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