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 133
uced which can be con-sidered either as two superposed shell transformers with coilsin common, or as a single core type transformer with dividedmagnetic circuit and having coils on only one leg. It is bestconsidered however, as a combined core and shell transformer, TRANSFORMERS 1,391 and for small…
Electrical engineering
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