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 222
Fig. 7. Transmitter Induc-tively Associated with Aerial … Fig 8 Transmitter Associated with the Supply Circuit a transformer, the primary circuit of which contains a carbon trans-mitter and local battery. The fluctuations of intensity of the oscil-lations may be effected in a manner diagrammatically shown in 193 1? WIRELESS TELEPHONY Fig. 9, where the…
Electrical engineering
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