Researches on diamagnetism and magne-crystallic action : including the question of diamagnetic polarity (1870)
Tyndall, John, 1820-1893 · London : Longmans, Green · leaf 320
Fy.2 … .7! If. a. sire sc. KELATING TO MAGNETISM AND ELECTRICITY. 285 m m, the warming of the wires being prevented bj the cork.From m m wires proceed to a galvanometer, G, whose needlesprove themselves to be perfectly astatic by setting at rightangles to the magnetic meridian.* B is a single cell of…