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 118
etween theteeth, so that the magnetic lines can spread from the corners of the teeth,and become nearly uniformly distributed over the polar faces. Magneticleakage through the core may be reduced by making the amount ofmetal above the inductors very small. 330 HAWKINS ELECTRICITY Slotted Cores;… … Figs. 362 and 363.—Side and end view of built up armature core. The sheet metal ringsections containing the teeth are fastened into dovetail notches in the spider as shown.The layers of ring sections are placed so as to break joints and are held by end clampsand through bolts B. Distance pieces are…
Electrical engineering
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