Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 52
maintaining current in the operating coilof the transmitter and holding its main line contacts closed underthe conditions which have already been shown to be necessary forautomatic repeater operation. Fig. IS is a diagram of the circuitconnections for the Atkinson repeater. 40 MODERN LAND AND… … Fig. 19. Ghegan Repeater TransmitterCourtesy of J. H. Bunnell & Company In the Ghegan repeater set, the transmitter is held closed eitherby current through the contacts of the line relay or by the auxiliary CAST
Electrical engineering
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