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TP230

Information - Help 
ID = 49862
       
Country:
Great Britain (UK)
Brand: Hivac Ltd.; Harrow-on-the-Hill
Tube type:  Triode-Pentode   Frequency converter 
Identical to TP230

Base B9 British 9-Pin Top contact with a cap.
Filament Vf 2 Volts / If 0.3 Ampere / Direct / Battery =
Information source Wireless World (The), London (WW, 79)   Data Nov 1936
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