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 183
_ Fig. 103Field RheostatLetters correspond m the t#o figuresPP -Binding posts A - Contact Arm SS -Contact studs R - Resistance wire … Scheme of connections of Alternator.E-Exciter Armature F- Alternator field coils R Alternator field rheostat A -Alternator armature. 84. Effect of Speed on Regulation.—Since the emf. is propor-tional to the rate of cutting of flux, it follows that fluctuationsof speed are attended with proportional…
Telegraph, Wireless · Radio
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