Researches on diamagnetism and magne-crystallic action : including the question of diamagnetic polarity (1870)
Tyndall, John, 1820-1893 · London : Longmans, Green · leaf 194
washers, is supported, in a verticalposition, being free from all disturbance save such as affects the DESCRIPTION OF APPARATUS, 159 foundations of the Koyal Institution. All the arrangementspresented to the eye in fig. 2 are made fast to the back of thebox, but are unconnected with the front, so… … Fig. 3. from one wheel to the other by means of a string ss. Attachedto this string are two cylinders, mn, op, of the body to beexamined : in some cases the cylinders are perforated longi-tudinally, the string passes through the perforation, and thecylinders are supported by knots on the string.…