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 199
so as to produce thecorrect polarity in the pole pieces. Oues. What trouble is liable to be encountered inoperating after cutting out a coil? Ans. The remaining coils are liable to heat up to a greaterextent than formerly, owing to the increased current, hence itis advisable to proceed cautiously… … Fig. 696.—Fort Waynepedestal typ)e commu-tator truing device.When this device isused, the armature isrevolved in its ownbearings by means ofa handle clamped tothe pulley. The toolhas a horizontal travelof 21 ins., (being 3 ins,wide inside the fasten-ing bolt in the base),and a vertical adjust-ment…
Electrical engineering
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