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 52
ht scale be 1 .Old on the circular scale 35, the distance between A and B is .1 -h J035 a .135 Inclk 740 HAWKINS ELECTRICITY Washburn and Moens Standard Wire Gauge.—Commonlydesignated as W. & M. G. Has been adopted by the U. S. Steel Cor-poration in making their wire. New British Standard (N.…
Electrical engineering
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