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 219
sually in 22 /=^- .5=110-109=1 volt. 72 = 0.25 ohm. 7=^=4 amperes. 523£=110-105=5 volts. 72=0.25 ohm. 7=Q-2g=20 amperes. 24 The field excitation is not cut down, but is of full strength fromthe start. 214 DYNAMO-ELECTRIC MACHINERY. the form of wires or grids, mounted in a ventilated iron box,the… … A— , STdrtir^ bo* -for ohurft motor L- Connection To line F-Conntction to .shunt -field& - Connection To o.rmature. .Switch LP Af Do*.
Telegraph, Wireless · Radio
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