example of the centri-fugal action of air is furnished by some of the move-ments of the entire atmospheric envelope of the earth ;the upward currents at and in the vicinity of theequator, the downward movement of the air at thepoles, and the winds blowing along the earths surfacefrom the poles… … Fig. 2. -AIR CURRENTS SHOWN BY FLAME AND SMOKE. hold the same body of air always in contact with therevolving body. A very simple and effective piece of apparatus appliedto the whirling table for showing the effect of centri-fugal force on air was described some time since in aforeign scientific…
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