The principles underlying radio communication (1922)
United States. National Bureau of Standards, Ould, Richard Sheldon, 1889-, United States. Army. Signal Corps · Washington, Govt. Print. Off. · leaf 199
most convenient sources of largerpower is the gasoline engine. It is particularly suitable forisolated stations, or for the more powerful portable sets, likethe field radio tractor sets. Detailed information about anyparticular set is supposed to be furnished with the set, but cer-tain features are… … Soo .cycle AC vV £L*eife.r Cj e. n« rato r 5<=h<sr of- connection of a Tractor .Set ^enoratoro.nd exciter The speed of rotation of the alternator is almost always muchhigher than that of an engine; it is therefore stepped up bypulleys and belts, or sprockets and chain, or gears, the…
Telegraph, Wireless · Radio
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