Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 32
cted to the first commutator bar, but must be fastened tothe armature core out of the way so as not to interfere with the windingof the coils. If eight turns of wire be required to fill a slot with one layer, then thewire is carried from front to back and bent aside so as to clear the shaft;after… … Fig. 269.—-Series connected wave wound ring armature for a four pole machine,are so connected that only two brushes are necessary. The coils Since eight turns are to be used, the process of winding is continueduntil the section is full and the end of the coil will lie in a position readyto begin…
Electrical engineering
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