Jones, H. Spencer (Harold Spencer), 1890- · London E. Arnold & co. · leaf 33
ends of a light rod which is suspended horizontallyfrom its mid-point by a fine wire. Two large masses W,suspended at the same level from the ends of another hori-zontal rod, are brought into the position PF, near to the smallmasses x. The attraction between the large and small massespulls the rod… … XjXi). The masses W are then brought into the position W^,near the masses x but on the opposite side, deflecting theminto the position x^. The total angle through which the rodmoves from the position 1 to the position 2 is accuratelyobserved with a telescope, and this angle is four times as greatas…
Astronomy
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