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Scientific American, Vol. 70, No. 7 (February 1894) (1894)

leaf 3

An illustration from Scientific American, Vol. 70, No. 7 (February 1894), 1894, leaf 3
o it, actuated by the field, which is shown in side swaying of the car or passengers being particu- latter, the inventor mixes with it one-quarter per cent larly noticeable. this case placed within the circle of the Gramme ring. each of magnesium phosphate and sulphate.— W. The reversing switch and… … © 1894 SCIENTIFIC AMERICAN, INC.

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