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 169
batteryof five cells. The point of adjusting screw A rests against aplatinum point R soldered upon the vibrator. INDUCTION COILS 149 If the switch W be closed, the electric current generated bythe battery B will flow through the primary winding. This willcause the core CC to become magnetized, and… … Fig. 144.—Circuit diagram of a master vibrator coil. B, is the battery; C, the unit coils;Cl. C2. etc., the condensers; P, the primary windings and S, the secondary windings;HI. H2, etc.; the spark plugs; T, the timer; MP, the master primary; V, the vibrator;W, the common primary connection; 1, 2,…
Electrical engineering
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