Details
A three-valve receiver
with sliding resistance, condenser and three filament resistance knobs, Gambrells loading coil and teak case with access flap and webbing carrying handle; a similar case stamped Houghton-Butcher Mfg. Co. London - 1918 and 200 Volts, containing two tapped inductance controls and a filament resistance with mountings for a Q-type valve (adapted); and a variable resistance coil in pine frame (3)
with sliding resistance, condenser and three filament resistance knobs, Gambrells loading coil and teak case with access flap and webbing carrying handle; a similar case stamped Houghton-Butcher Mfg. Co. London - 1918 and 200 Volts, containing two tapped inductance controls and a filament resistance with mountings for a Q-type valve (adapted); and a variable resistance coil in pine frame (3)