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 195
gy of the source can be rendered avail-able for radiation; also that the tuning of stations is greatly facilitated.Von Lepel System. It has been claimed by the German ex-perimenter. Von Lepel, that he applied the discovery of Wein topractical radiotelegraphy prior to its adoption by the… … Fig. 61. Von Lepel Oscillation GeneratorCircuit 170
Electrical engineering
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