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 225
ly increasingthe percentage of variation in the intensity of the oscillations, orthe equivalent thereof, the sphere of usefulness for this form ofwireless communication will be much restricted. Many attemptshave been made to effect this improvement by connecting severaltransmitters in multiple to… … current Such devices, however, have not proved to be a satisfac-tory sokition of the problem, although Fessenden claims to be ableto effect a decided amplification with an instrument of the lattercharacter designed by himself. This ingenious investigator has undoubtedly constructed an…
Electrical engineering
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