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 122
ed out to receive the end of the wirefixed to the cup A; the brass arm supporting thiscup is insulated from the brass pillar by some non-conductor of electricity. To the middle of themagnet is fixed a small ivory cistern, for containingmercury, into v/hich dips the end of a wire, connected.vith the… … 106 DAVIS S MANUAL. ivoryCistern be filled sufficiently to establish a con-nection between the magnet and the wire attachedto B. When the cups A and B are connected withthe battery, the current will flow through the upperhalf of the magnet, causing it to rotate rapidly. Ifthe cups B and C form the…
