Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 287
of mercury andglass the mercury is presseddown (Figure 305), the pro-cess being the same as forwater, except that the sur-face curves in the oppositedirection. 324. Other Applications ofSurface Tension. — Rain-drops become spherical on account of surface tension. The elastic surface tends to pull… … Figure 305.—How Mercury Creepsdown a Glass Tube. ARCHIMEDES PRINCIPLE 277 Soap-bubbles are thin films of soapy water with a doublesurface tension — one on the inside, and one on the outside.Sometimes you can see the water run down between thetwo surfaces. The fact that the white of an egg has a…
Physics
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