Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 367
presented by these different, yet allied, sciences. The last link in the chain necessary to establish al)Solutelythese great fundamental truths was supplied by Hertz, of Karlsruhe,Germany, in 1888, who succeeded in producing electromagnetic,or, as he termed them simply, electric waves, which… … Hertzs Klectromagnetic Wave Method. to affect the eye, they are invisible; every known test, however,only served to offer additional proof that the Hertzian waves aretransverse vibrations in the ether, and tliat they are propagatedthrough space at a velocity equal to that of light. The apparatus…
Electrical engineering
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