Davis's manual of magnetism : including galvanism, magnetism, electro-magnetism, electro-dynamics, magneto-electricity, and thermo-electricity (1854)
Davis, Daniel · Boston : Palmer and Hall · leaf 128
onveyedto the mercury. The other cupis connected with the magnet,and, through the pillar, with the wire, W. 178. A single magnetic pole, placed either in ahorizontal or vertical position, by the side of a wiresuspended as in the last two figures, will cause it tovibrate ; but its motion is less… … 112 DAVIS MANUAL. 179. Gold Leaf Galvanoscope. — In this instrii*ment, represented in Fig. 63, a narrow slip of gok Fig\ 63. leaf, G, is suspended between the poles of a U-magnet. The legsof the magnet are brought nearto each other, in order to rendertheir action on the current con-veyed by the…
