Tyndall, John, 1820-1893 · New York, D. Appleton · leaf 145
d each other. But theelasticity of air is not only increased by compression,.itis also increased by heat. And, as it is assumed thatthe heat is always augmented when the motion of themolecules is increased, it follows that the augmentedelasticity of warmed air, at a constant volume, arises froma… … may be heated by placing a spirit-lamp underneath theflask. From the flask a bent tube passes to a dish, con-taining a coloured liquid. In the dish, a glass tube, t t,two feet long, closed at the top and full of the colouredliquid, is inverted. The liquid column is sustained by thepressure of the…
Heat
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