Young, Charles A. (Charles Augustus), 1834-1908, Young, Anne Sewell, b. 1871., ed · Boston, New York [etc.] Ginn and Company · leaf 92
-drops observed by a person inmotion. Suppose the observerstanding with a tube in hishand while the drops are fall-ing vertically : if he wishes tohave the drops descend axiallythrough the tube without touch-ing the sides, he must obviouslykeep it vertical so long as hestands still; but if he… … Fig. 26. —Aberration of a Raindrop. § 125] EFFECT OF ABERRATION. 79 incline the tube forward at an angle,1 a, depending both upon the ve-locity of the rain-drop and the velocity of his own motion, so thatwhen the drop, which entered the tube at B, reaches A, the bottomof the tube will be there…
Astronomy · Constellations
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