Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 622
coil C, through left-hand commutator, and on to thepositive terminal carrying the lead C. buegins ring armature machine. Biirgin, struck with the loss of action in the Gramme ring,resulting from the withdrawal of the iron core from the poles ofthe field magnets, has sought to bring the mass of the… … Fig. 393. of each other on the same shaft, S, each having for a magneticcore a hexagonal frame, composed of iron wires, on the sides ofwhich are wound the induced coils. These coils are wound inthe shape of an ellipsoidal spindle,with a curvature so calculatedthat the six angular parts of the cores…
Electrical engineering
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