manifest — in the fall-ing rain, the running streams, etc.; but to perceive itsaction upon the air we must study the question carefully.If we place our hand in a pail ofwater, we do not feel the weight orpressure of the water upon it; if wedive to the bottom of a pond, we donot feel the weight of… … Fig. 26. Experiment 25. — Fill a test tube with shot and invert it so that theshot will run out upon a table (Fig. 26). The shot will spread out 40 Mechanics of Fluids. 41
Physics
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