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ID = 35237
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Transmitter Triode, liquid-cooling 
Identical to 240B_XMIT

Filament Vf 21.5 Volts / If 41 Ampere / Direct
Description Double ended, mid-anode transmitting triode; water cooled via an integral cooler. Mu 40, 10KW anode dissipation, 20 MHz. 'B' was uprated to 12KV, with cooler brazed on anode. Pure tungsten direct heating cathode.
Machlett and WE. 
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