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), 1833-1928 · New York : T. Audel & Co. · leaf 498
°fc J2 aj C G O -M<4-. CO aT J2 ? O boy, tl CO CO 03 _M CO S CO u c -^G^3g^g^g^bO G <u G CO * . a ro G «->G, CO fO o 03 w5 G CO Vh c 03cc4?^^ ° CO >,««-. G^-S.G oO O fe w o ^ CO CO co co co ^3 G . tn n\ »-< co^ O w,D. 3 o3 i^ G o »-i: co co k G 5-S ,S g ., c;g rt aS-S « o s G 8 +3… … Figs. 4,551 and 4,552.—Optimus wiring diagram for two wire and three wire installations.+ i t shows the usual method of connecting tanks with a two wire dynamo; each tank has a separate rheostat, thus permitting independent regulation of voltage for eachtank. .big. 4,552 shows a three wire…
Electrical engineering
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