A manual of electricity, magnetism and meteorology (1844)
Lardner, Dionysius, 1793-1859, Walker, Charles Vincent, 1812-1882 · London Longman, Brown, Green & Longmans · leaf 566
Fig. 294. … VOL. II. M M 530 MAGNETO-ELECTRIC INDUCTION. BOOK VI. a base of hard wood, through which pass two copper wires soldered toplatinum wires, and which are connected with M N. Two tubes, A, arerilled with water, and then placed over the platinum wires, where they aresupported by a cork. The two plates…
Atmospheric electricity · Electricity -- Early works to 1850 · Magnetism
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