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 220
nite endingsand beginnings. In exceptional cases, as those of polyphaseconverters, re-entrant circuits are employed, and the armaturewindings are so constructed that a commutator can be IIAUKIXS ELECTRICITY connected to them exactly as in direct current machines.e armatures are usually of the lap… … Fig. 1 • -d supporting fingers extending along the slot projections. The air circulation is provided for by meansof ducts formed by suitable spacing blocks inserted at intervals between the lamir. .as shown here and in • ■ ature coils are form wound and designed so they can be readily replaced in…
Electrical engineering
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