Title :
A Thermionic-Tube Measuring Instrument
Author_Institution :
Portland, Ore.
Abstract :
A universal measuring instrument for communication circuits has been developed which has a number of advantages over previous methods of obtaining measurements in such circuits. This thermionictube instrument gives direct measurements of current, voltage, power factor, or power in communication circuits and is accurate over a wide range ot frequencies.
Keywords :
Circuit switching; Cooling; Electrical resistance measurement; Electron tubes; Power measurement; Temperature measurement; Wattmeters;
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
DOI :
10.1109/T-AIEE.1934.5056574
