Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 377
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 … 354 PHYSICS respond to any given pitch by various devices. One isSavarts wheel (Fig. 245), which consists of a large-toothedwheel capable of rotation, and provided witha flexible tongue against which the teethmay strike. The number of teeth, multi-plied by the number of turns per second,will give…
Physics
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