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 302
TRANSFORMER … Figs. 2,556 and 2.557. Connections of Sangamo single phase induction meter. Fig. 2,556,2 wire meter exceeding 100 amperes; fig. 2,557, 3 wire meter exceeding 100 amperes. 8. Frequency Adjustment.—This is often desirable, par-ticularly for systems operating at 133 cycles. Most makes ofmeter are…
Electrical engineering
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