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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 211

An illustration from The principles underlying radio communication, 1922, leaf 211
N. JM and Marion, Mass. Inthis alternator the rotor disk runs between two laminatedarmatures, which are cooled by water circulation. The rotordisk of the type of alternator used at New Brunswick is shownin Fig. 128c; this rotor weighs about 5,500 pounds. Fig. 126bshows one-half of the armature of… … Fig. 12Gc.—Rotor of 200 kw. Alex alternator. 130 volts on open circuit and carries a current of 35 amperesunder normal load. In the complete armature there are 64 wind-ings, and the current generated by these 64 windings is collectedin an air-core transformer which has 64 independent…

Telegraph, Wireless · Radio

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