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 132
FlG. 1,929.—View illustrating the construction of coresand coils of Maloney transformers. Fig. 1,930. — Maloney nvcashield between primary andsecondary coils, showinglapping feature which pre-vents the wrinkling andcracking of the mica. Combined Core and Shell Transformers.—An improvedtype of…
Electrical engineering
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