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
s, the transposition of some one circuit is amply sufficient to securebalanced relations and effectually counteract the effects of cross induc-tion. It is a matter which must be carefully calculated and planned ineach particular instance in order to secure the best advantages. Insulators.—Glass and… … Fig. 90S.—Tree insulator. This type of insulator is especially useful in connection with tem-porary or repair work, or where the wires pass through trees having numerous branches.The illustration shows a Cutler tree insulator lashed to the trunk of a tree. It is made of asingle piece of glass, and…
Electrical engineering
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