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 131
Fig. 964.—Mclntyres twisting clamp for wires 00 to IC B. & S. gauge. … Fig. 965.—Method of making a transposition. This is usually done by means of trans-position insulators, which are either double insulators, one being screwed to the pin abovethe other, or else such caps as are shown in fig. 967. Such insulators are intended to actas circuit breakers, the particular…
Electrical engineering
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