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 378
the vessels: bubblesof air, which will not disappear till they reach the surface of thewater and burst; bubbles of water vapor, which may rise to thesurface if the water is hot, but will burst and disappear with con-siderable noise when they come into contact with colder water. upper layers of… … FIG. 193. 356 PHYSICS. Do any bubbles flow over into the tumbler at first? If so, arethey air or vapor? As the process continues, do the appearance and behavior of thebubbles in either vessel change? If so, what is the nature of thechange? What is the action in each vessel after boiling begins?…
Physics
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