Peck, William G. (William Guy), 1820-1892 · New York, Chicago, A. S. Barnes & company · leaf 85
s to rest, the readings of the scales are 80 ASTRONOMY. again noted. From these readings we can find the corres-ponding angle of torsion, that is, the angle through whichthe balance is turned by the attraction of the leaden balls. The swinging bar is then turned so that the heavy ballsshall occupy… … Fig. 32. Plan of the Cavendish apparatus. Explanation. KL is the horizontal projection of the torsion balance, O be-ing the projection of the suspending wire ; at K and L are two scales of equal partsattached to the balls of the balance and perpendicular to KL; T and TY are twofixed telescopes for…
Astronomy
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