Researches on diamagnetism and magne-crystallic action : including the question of diamagnetic polarity (1870)
Tyndall, John, 1820-1893 · London : Longmans, Green · leaf 180
uspended be that shown in fig. 2. For the sake of DIAMAGNETIC FOKCE NOT PURELY REPULSIVE. 145 Fig. 2. simplicity, we will confine our attention to the action of one ofthe poles N, which may be either flat or rounded, upon theprism hf adjacent to it, as indeed all the phenomena to bedescribed can be… … furnishes a momentwhich, in the positionhere assumed, tends toturn the rectangular boxin the direction markedby the arrow. It is per-fectly impossible that such a system of forces could cause the boxto turn in a direction opposed to the arrow ; yet this is the direc-tion in which the box turns when…
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-383-142.webp)
