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 217
1 22 f= p~- r= 110-109=1 volt. jR-0.2oohm. 7= ^25=4 amperes. =3^=110-105=5 volts. i?=0.25 ohm. 7=^-^=20 amperes. 2^ 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,tlie whole… … Fia. i3o start ir^ bo a -[or ohunt motor L- Connection To line F-Connection to shunf •J-iela(^-Connection To <^^maTu^e . 1 + \\ r=» L Fjq \ UFA, SUrtin^ ■^l 1 V 1 -^ dl / ^^ shunt _ 1^ } rnoTor Connectiorvs oj ahonl motor and starting box sulating face plate, commonly slate. The internal…
Telegraph, Wireless · Radio
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