Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 125
ss three distinct properties,Pitch, Intensity, and Timbre. 405. Pitch is the quality which distinguishes betweenhigh and low tones, and depends upon the number of vibra-tions made in a given time, as one second. 406. Intensity, as previously shown in relation to soundin general, depends upon the… … SAVAKTS TOOTHED WHEEL. 115 means of manometric flames* that it depends upon theproduction of secondary tones less prominent than thosewhich are usually recognized. Section I.—Determination of the Number ofVibrations. 408, Savarts Toothed Wheel. The earliest determination of thenumber of vibrations…
Physics
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