Tyndall, John, 1820-1893 · London : Longmans, Green · leaf 287
e to the motion of the jet. Lord Eay-leighs arrangement combines very satisfactorily sensitive-ness to sound and insensitiveness to wind, and it requiresno higher pressure than that of ordinary gas pipes. If theextreme of sensitiveness be aimed at, the gas pressuremust be adjusted until the jet is… … sound. This point has been already illustrated; but theexperiment now to be made, instead of being confined to ACTIOIS OF SOUND LENSES OX FLAME. 265 the observation of a single person, will be apparent to youall. It will also extend the demonstration from converg-ing to diverging sound lenses.…
Sound
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