Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 641
which may be colored or not. The oil assumesa perfectly spherical form, and produces a very interestingimage on the screen. In Fig. 589 is shown the method ot projecting the expe-riment in which the volume of equal parts of alcohol andwater is less when they are combined than it is when they 6i8… … Cohesion. into one division of the chamber, and slightly colored alco-hol is placed in the other division. The water and thealcohol are level with a mark on the glass. On turning thepartition, the water and alcohol mix, and the level of the Fig. 5S9.
Physics · Lantern projection · Electric apparatus and appliances
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