Tyndall, John, 1820-1893 · New York : Appleton · leaf 270
ly weighted also answers for these experiments. BATS-WING FLAMES. 261 gradually the pressure, a slight flutter of the edge of theflame at length answers to the sound of the whistle. Turn-ing on the gas until the flame is on the point of roaring,and blowing the whistle, it roars, and suddenly… … ments disclosed itself in the following manner: I wasoperating on two fish-tail flames, one of which jumped toa whistle while the other did not. The gas of the non-sensitive flame was turned off, additional pressure beingthereby thrown upon the other flame. It flared, and itscock was turned so as…
Sound
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