Researches on diamagnetism and magne-crystallic action : including the question of diamagnetic polarity (1870)
Tyndall, John, 1820-1893 · London : Longmans, Green · leaf 168
er, 14 inches long and 1 inchin diameter, was suspended in a helix 5*7 inches long, 1*8 inchinternal diameter, 4 inches external diameter, and composed of * These experiments, and almost all the others mentioned in this memoir, may beexhibited in the lecture-room. By attaching indexes of wood to… … DISPOSITION OF FORCES. • 135 copper wire 0*1 of an inch in thickness. When a current oftwenty cells was sent through the helix, and the magnets (onlytwo of them were used) were excited by one cell, all the phe-nomena exhibited by figs. 40, 41, 42, and 43 were distinctlyexhibited. A considerable…
