A manual of electricity, magnetism and meteorology (1844)
Lardner, Dionysius, 1793-1859, Walker, Charles Vincent, 1812-1882 · London Longman, Brown, Green & Longmans · leaf 477
rcular trough which is filled withmercury so as to surround the magnet.A lighthollow cylinder, CC, of copper,is suspended on a point resting in anagate cup placed on the top of themagnet, and having a vertical wireproceeding from it which terminatesin a small mercurial cup, P, at thetop. Another… … hap. ir. ROTATION OF CURRENTS. 441 copper cylinder are acted on by the pole of the magnetin its centre, and a motion of rotation is imparted tothe cylinder, the direction of which will be determined Fig. 198. as usual by the direction of the cur-rents and the name of the magneticpole. A double…
Atmospheric electricity · Electricity -- Early works to 1850 · Magnetism
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
