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 79
re mounted.Another advantage of the decade plan is that it permits obtaining asuccession of values by means of sliding contacts or dial switches, amethod which is becoming deservedly more appreciated. 498 HAWKINS ELECTRICITY Oues. What is the difiference between plug out and* plug in types of… … Fig. 576.—Queen Acme portable testing set. It consists of a Wheatstone bridge, with reversi-ble arms, battery of four dry cells, DArsonval galvanometer, batter> and galvanometerkeys. There ^re sixteen resistance coils, having a combined resistance of 11,110 ohms.Each bridge arm is provided w-ith…
Electrical engineering
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