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FOREWORD BY L A DUBRIDGE
The Primary Insulation
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a-c motors aircraft alternating current ambient amplifier applications armature beam tetrodes brush cable capacitance cathode cent characteristics circuit coil condenser connected copper core crystal curve cutoff d-c relays delay line devices diameter diode direct current DPDT electrical electronic equipment factor field flux frequency grid Group heater hexode high-voltage impedance increase inductance input voltage insulation linearity load Loc T-9 mAdc magnetic manufacturers Mc/sec mechanical Metal method minimum mounted obtained Oct T-9 ohms operation oscillator output voltage pentodes plate potentiometer power supplies Radiation Laboratory range rectifiers resistor rotor saturable reactor shaft shown in Fig shunt specifications standard stator suppressor grid synchro Table temperature Test conditions thermistor tion torque transconductance transformer triode tubes types unit usually uſuf variation vibrator voltage regulator volts watts winding wire wire-wound