Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 141
e of different instruments, or timbre, resultsfrom subordinate tones accompanying the principal, andHelmholtz has succeeded in confirming this analysis ofsounds by putting these tones together, and producing theoriginal. 474. If a sound beconducted to the cham-ber, the image is cut upinto a series… … Fig. 159. series of long tongues with shorter ones between them.The number of long tongues gives the number of vibra-tions of the lowest note; the shorter ones, the number of the higher notes. CHAPTER in. VIBRATING INSTRUMENTS. 475. Two remarkable instruments have been constructedwhich employ…
Physics
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