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 240
system has met with considerable success, andhas been installed on several United States battleships. Testshave been made with the DeForest equipment by the British Ad-miralty, and the greatest distance over which it was possible totransmit satisfactorily was about 57 miles, a distance which has… … WIRELESS TELEPHONY 27 away. This station permitte^l of the use of an exceedingly tallaerial, the tower being nearly 1,000 feet high. Collins System. This system has been developed by A. F.Collins, who for several years has carried on experiments in thefield of radiotelephony. The circuits employed…
Electrical engineering
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