Tyndall, John, 1820-1893 · New York, D. Appleton · leaf 226
n. LEIDENPORT S EXPERIMENT. 201 and the cloud, which you now observe, forms above thebasiri. You cannot, from your present position, see this flat-tened spheroid rolling about in the hot basin ; but it maybe shown to you, and, if we are fortunate, you will seesomething very beautiful. There is,… … vapour will burst up through the middle of the drop.But matters are here so arranged, that the vapour shallissue laterally; and it sometimes happens that the escapeis rhythmic ; the vapour issues in regular pulses, and thenwe have our drop of water moulded to a most beautifulrosette, two inches in…
Heat
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