Tyndall, John, 1820-1893 · New York : Appleton · leaf 191
es in beautiful ripples upon the liquid 1S2 SOUND. surface. Similar ripples may be obtained with smallerbells, or even with linger and claret glasses, but they wouldbe too minute for our present purpose. Filling a largehemispherical glass with water, and passing the fiddle-bowacross its edge, large… … illuminated water-surface upon the screen, I pass the bowgently across the edge of the glass, or rub the finger gentlyalons the edo;e. You hear this low sound, and at the sametime observe the ripples breaking, as it. were, in visiblemusic over the four sectors of the figure. You know the experiment…
Sound
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