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Scientific American, Vol. 62, No. 8 (1890) (1890)

leaf 8

An illustration from Scientific American, Vol. 62, No. 8 (1890), 1890, leaf 8
und can be established by the current. Iron Electroplating Solution. coil, B B’,is arranged, in each of whose circuits a phase of or due to electric hysteresis. Polarity is es- lamp is placed. The proportions are such that the two The following recipe is given by Messrs. Barthel and tablished in… … Fig. 8—ELECTRIC CIGAR LIGHTER, of the ground circuit. rotations in proportion to the square of the speed, other lamp receives an augmented amount of current, soda (Na:CO;) in five liters of water. The resulting thus causing it to vary in direct ratio to the current. (See SUPPLEMENT, No. 668.) due…

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