Researches on diamagnetism and magne-crystallic action : including the question of diamagnetic polarity (1870)
Tyndall, John, 1820-1893 · London : Longmans, Green · leaf 184
he broken line cd that of the feebleone. On the former a mechanical couple actsin the directions denoted by the arrows atits ends ; and on the latter a couple operatesin the directions of the arrows at its ends.These two couples are evidently opposedto each other; but the former being, by… … 150 DIAMAGNETISM AND MAGNE-CRYSTALL1C ACTION. of suspension x, will, in an approximately nniform field of force•which we here assume, cause the centre of gravity of the crossto move towards the pole N. In the formation of such a cross, however, it is not necessaryto resort to two different…