Tyndall, John, 1820-1893 · London : Longmans, Green · leaf 300
tuning-fork which executes 512 vibrations in a second,the scattered drops, as if drawn together by their mutualattractions, instantly close up, and form an apparentlycontinuous liquid arch several feet in height and span(shown in fig. 153). As long as the proper note is main-tained the vein looks…
Sound
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