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 129
CONNECTIONTO FRAME FOUR COMBINEDCABLES j§jj| f= j BATTERY jJ 4 VOLT I i ! RESERVE<» VOLT - - r1—-V Fig. 4,000.—Wiring diagram of Bosch dual ignition system, using one set of spark plug.A special coil is provided with self-contained switch, and a button for bringing a magneticvibrator into the…
Electrical engineering
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