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 494
onnected, the field of the first is connected to the supplyand the armature to the field of the second motor; the armature of the ELECTRIC RAILWAYS 2,585 second motor is connected to the external resistance at start. As themotors speed up, the external resistance is cut out till armature of… … Pigs 3,638 and 3,639.—Westmghouse blow out coil. Fig. 3,638 view with side of box cut away;tig. d,od9, complete with pole piece. Each blow out coil consists of a number of turn ofcopper strap enclosed in an insulating box similar to the switch box. Each coil is secureto the base plate of the switch…
Electrical engineering
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