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 181
Fig. 47. FlemingGlow-Lamp Detector 155 62 WIRELESS TELEGRAPHY … Fig. 48. Marconi Circuit UsingFleming Detector j^low-lamp device the essentials of a valve detector. Pi<?. 48 showsa receiver circuit employed by Marconi making use of the Fleming lamp. Instead of passing therectified uni-directional impulsesdirectly through the telephone,they are passed around…
Electrical engineering
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