A course of experiments in physical measurement (1897)
Whiting, Harold, d. 1895 · Boston, D.C. Heath and Co. · leaf 436
eighborhood. The directionsof the magnetic north, south,east, and west are to be deter-mined by this compass, andmarked by pencil lines uponthe table. In all experiments in magnetism the mag-netic points of the compass will be those referred to,unless otherwise stated. A magnet already tested… … Fig, 199. ^ Fig. 200. be noted. It should be small enough to cause ameasurable deflection of the compass, let us say 5 or 406 MAGNETIC DEFLECTIONS. [Exp. 74. 10 degrees, but at least twice the length of the mag-net.^ The position of each end of the magnet is thenmarked in pencil on the table, and…
Physics
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