Date
Aircraft valve CV1482

Aircraft valve CV1482

Aircraft valve CV298

Aircraft valve CV298

Aircraft valve

Aircraft valve

Aircraft valve E3041

Aircraft valve E3041

Aircraft valve VR91 EF50

Aircraft valve VR91 EF50

Aircraft valve VR137 RL16

Aircraft valve VR137 RL16

Aircraft valve VR92 EA50

Aircraft valve VR92 EA50

Aircraft valve VT65 SP61

Aircraft valve VT65 SP61

Aircraft valve VR135

Aircraft valve VR135

VT61/ RK34 DET19 VHF Double Triode indirectly heated VHF double Triode used as a power amplifier in airborne VHF R/T transmisster TR1133. 27.5 Watts. 6.3/0.8 Volts. 300 Amps.

VT61/ RK34 DET19 VHF Double Triode

VT501 E1192 indirectly heated beam Terode used in airborne transmitter/receivers. 7.5 Watts. 6.3/0.8 Volts. 300 Amps.

VT501 E1192 indirectly heated beam tetrode

VT88 832 indirectly heated push-pull beam power amplifier communication valve. 12.6/0/8 Volts. 400 Amps.

VT88 832 indirectly heated pus

VT47/ TZ05-20 directly heated communication Triode. 20 Watts. 6/600 HT Volts. 1.1 Amps.

VT47/ TZ05-20 directly heated communication triode

VT60/ 807 indirectly heated Beam Tetrode. Communication. General purpose RF amplifier. Used as a crystal oscillator in modified T1087 transmitetr. 25 Watts. 6.3/1 Volts. 600 Amps.

VT60/ 807 indirectly heated beam tetrode

VT62/ DET12 VHF Triode. Used for communication. Two in push-ull used in VHF R/T ground transmitetr T1131. 30 Watts. 7.5/3.25 Volts. 1.25kV Amps.

VT62/ DET12 VHF Triode

KT67 communication valve

KT67 communication valve

Communication valve

Communication valve

VT25/ DET25 directly heated Triode. Communication. Power amplifier in early airborne HF transmistter T1083. Also used starpped as a diode to rectify grid bias in HF ground transmitter T1087. 36 Watts. 7.5/1200 HT Volts. 2 Amps.

VT25/ DET25 directly heated Triode

CV397 communication valve.

CV397 communication valve

VT76/ TZ40 directly heated Zero bias Triode. Two used in push-pull as Class B modulators in T1131 transmitter. 40 Watts. 7.5/2.5 Volts. 1.25kV Amps.

VT76/ TZ40 directly heated Zero bias Triode

VT104/ PT15 directly heated Pentobe. Communication. Two used in parallel as power amplifiers in HF airborne transmitter T1154. 30 Watts. 6/1.3 Volts. 1.25kV Amps.

VT104/ PT15 directly heated Pentode

VT46 PT25H directly heated communication Pentode. 25 Watts. 4/2 Volts. 500 Amps

VT46 PT25H directly heated com