Natural philosophy. being a hand-book of chemical physics, or, The physics of heat, light and electricity (1869)
Sangster, John Herbert, 1831-1904 · Montreal : J. Lovell · leaf 223
o-electricity, induced in the manneralluded to, may be obtained in sufficient intensity and quantity todecompose acidulated water, give powerful physiological shocks,and exhibit the electric spark and other effects of ordinary elec-tricity. It consists of two horse-shoe magnets, C D, placed oneover… … of the copper wireforming the coilsare soldered to aferrule or break-piece on each sideof the axis, and a-gainst this two me-tallic springs press,having also a me-tallic connectionwith the two cupso, b. As the arma-ture revolves, theiron centre-piecesare brought between the poles of the horse-shoe…
Physics
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