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 127
ed wire, lay a horseshoe magnet in a hori-zontal position on the stand, with one of its legs oneach side of the wire. When communication isestablished with the battery, the poles of the magnetwill conspire in urging the wire either backwards oiforwards between them, according to the direction… … ^aii^A«t!iM»4taf;;^s^i^^^^^^^ VIBRATING WIRE. Ill being thus broken, the wire will fall back by its ownweight; when, the current being reestablished, itwill again quit the mercury, as before, and a rapidvibration will be produced. The vibration may bemade somewhat more active by raising the magnet…
