A text-book of physics, largely experimental. On the Harvard college "Descriptive list of elementary physical experiments." (1891)
Hall, Edwin Herbert, 1855-1938, Bergen, Joseph Y. (Joseph Young), 1851-1917 · New York, H. Holt and Company · leaf 323
lesof gas are working their way into the cupthrough its porous wall faster than the air-particles can work their way out by the samepassages. When the bubbling has continued for alittle while, stop the flow of gas through thetube r, and then lift the bottle, exposing theporous cup to the outside… … HEAT: TEMPERATURE, CONVEYANCE OF HEAT. 301 By pushing the bottle, which should be held mouth downward allthe time, down over the cup again, the water can be made to descendpromptly in the stem. 250. Velocity of Gas Particles.—The aggregate weightof all the particles in a given volume of gas being…
Physics
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