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Sound (1897)

Tyndall, John, 1820-1893 · New York : Appleton · leaf 92

An illustration from Sound, 1897, leaf 92
ert, and produce a greatereffect than one upon the ear. And if instead of two tubeswe had ten of them, or better still, if we had a tube forevery orifice in the disk the puffs from the entire serieswould all issue, and would be all cut off at the same time.These puffs would produce a note of far… … is urged—through nine apertures, therefore, puffs escape aionce. On turning the whirling table, and alternately in-creasing and relaxing its speed, the sound rises and fallslike the loud wail of a changing wind. se SOUND § 4. Musical Sounds produced by a Tunvng-fork. Various other means may be…

Sound

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