Davis's manual of magnetism : including galvanism, magnetism, electro-magnetism, electro-dynamics, magneto-electricity, and thermo-electricity . Attracting and Repelling Wires, 3,50 160. Contracting Helix, 3,50 162. Electro-Dynamic Revolving Coil, 6,00 163. Electro-Dynamic Revolving Rectangle, 7,00 164. Instrument for showing the revolution of Mercury, 4,00Same Instrument, with iron cup, ...<.. ...o. 5,0Q.

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Keywords: ., bookcentury1800, bookdecade1850, booksubjectmagnetism, bookyear18