Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 166
Fio. 177. — Aircurrents produ-ced \)\ i>lacing ajacket around aheated body. convection currents. The development of such cnrrent.s })y hot-air furnaces depends on the principle that if a jacket is placed around a heated body and openings are made in its .top and its bottom, a current of air will…
Physics
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