Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 79
FiQ. 77.—The cisternbarometer. Fio. 78.—Section ofthe cistern. PRACTICAL VALUE OF THE BAROMETER 71 … Fig. 79.—Aneroid barometer. The aneroid barometer has no liquid in it at all. In it(Fig. 79) the air presses against the flexible corrugated coverof a circular, air-tight,metal box A, fromwhicli the air is partiallyexhausted. The cover,which is usually sup-ported by a spring >S^,responds to the…
Physics
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