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 208
hof which consists of a large number of turns. The field coilsare all connected in series to the source of direct current, to bementioned hereafter, but the connections are omitted from thesketch to avoid having so many lines. INDUCTOR ALTERNATORS. 20& When the rotor is made to revolve, the… … Fig. 125.—Self-excited inductor type alternator. (4500 r.p.m. ; 75volts; 5 amp., 900 cycles per second.) A, terminals of a.c. winding j.B, brushes for taking d.c. from commutator; C, commutator seg-ments ; F, d.c. field coils ; J, inductors ; T, stator teeth. passage of the inductor across a pair…
Telegraph, Wireless · Radio
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