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 44
of single fixed values are convenient for manypurposes. If they are carefully made and precisely meas-ured, they are called standard resistance coils. Such stand-ards may be secured in range from 0.00001 ohm to 100,000ohms and of any desired current-carrying capacity and degreeof precision.…
Telegraph, Wireless · Radio
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