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 141
stancein series with the instrument it can be connected across the ter-minals of a circuit whose voltage is to be measured. When con-structed as a wattmeter, one coil is wound so as to carry the main 500 HAWKIXS ELECTRICITY current, and the other made with many ttims of fine vrire ofhigh resistance… … Pig. 6S4.—Interior view of Thompson watt hoar meter (type C-6). Capacity: 5 to 600amperes, two wire, and 5 to 300 amperes, three wire; 100 to 250 vtdts. The meter issupported by three logs, the tipper one of which is keyboled. and the lower right hand oneslotted. This permits rapid and aocnrate…
Electrical engineering
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