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Scientific American, Vol. 45, No. 16 (1881) (1881)

leaf 7

An illustration from Scientific American, Vol. 45, No. 16 (1881), 1881, leaf 7
gained by this arrangement, inasmuch as At aspeed of rotation of 950 to 1,000 per minute, and the skirts, terret, screws, and nut plates, and carrying the resistance of the inactive coils of the armature is thereby loops. eliminated from the internal circuit of the machine. An improved folding… … otherwise composed in two plates, into which it flows by sections or layers, the major a spout which is made mov- section of which is utilized able so as to direct the course through a commutator or contact rings of ordinary con _of the flow. The apparatus, to which the gutter is fastened, twelve…

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