Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 389
Marconi Wireless Telegraph S;.Fisr. 29. fill. In this system, instead of the usual serial and earth wires,two conical metal capacity areas are substituted; in Fig. 30, A, 1,and 2 represent the areas which are charged by an induction coil … Lodge Syntonic System. Fig. 30. 355 26 WIRELESS TELEGRAPHY 3 and which discharo;o through the spark-gap 4; the vahie ofcapacity can be changed by means of the adjustable condensers 5and 6; the vahies of inductance are also made variable by the coils7 and 8; the resistance of the circuit is…
Electrical engineering
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