Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)
Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 222
cold. Fig. 199. If a tube nearly filled with water is held over a spirit lamp, as in Fig. 199, in such amanner as to direct the flame against theupper layers of the water, the water will beobserved to boil at the top, but remain coolbelow. If quicksilver, on the contrary, beso treated, its lower…
Physics · Science · Technology
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