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- · New York, T. Audel · leaf 217
--^- .-_ doctors on both sides ofthe ring are active, thesebeing connected together- ; umferential con----.-- :- rr. poll I ;• Y.thus, corresponding to theeadc tmectaoaa ■ no dera■nm niiMilmT%i 3. With respec-the core surface, as b. Slotted core. M KSBCfl windings wereplaced op ■ an b ■ nanwith a… … PlG. 1,478.-—A style of disc largely used for armature cores. The teeth are provided withdovetail grooves near the circumference. After the coil is inserted in a groove, a woodenwedge is driven in the groove which encloses the coil and secures it firmly in positionThis obviates the necessity of…
Electrical engineering
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