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 237
mportant part. In order to get a white hot spark across the spark gap a high tensioncondenser must be used. If more than one condenser be used thecondenser units or banks should be connected in parallel. The battery and key are connected to the primary winding of thespark coil and the spark gap is… … CO—-; § eS > <u U £-** SJt-H 35-s S^S CO w a«a o 2 ft as g o gT «*•£ «o w, o £cn §JSftfc <£* SOn^o^!?^ n3 £ c &o-* Kc^S^S^ « 3 U .6 S £ _„q S8g|oj£J.S 1 § 3o J J I 8 6°.3£tL.£ 3 *fcg <° S « g ft rt*- §.§65 aJCO c O £ § & .o< o ft c <u G^SO 3 WIRELESS TELEGRAPHY 2,329…
Electrical engineering
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