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Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)

Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1067

An illustration from Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .., 1913, leaf 1067
be seen that during thefirst half of the revolution of the loop ABCD, the directionof the electro-motive force in AB is from B to A, and inCD is from C to D. 1038 Steam Engineering The current flows from the brush M to the lamps so thatM is positive. Eeference to Fig. 430 shows that the wire in… … Fig. 431simple d. c. generator. at this instant the brush m is positive The number of alternations per minute is the speed inrevolutions per minute multiplied by the number of poles.The number of cycles is found by multiplying the speedin revolutions per second by the number of pairs of poles.The…

Steam engineering · Electrical engineering · Steam turbines

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