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ID = 35295
Tube type:  Double Triode   VHF 
Identical to 18C51
Similar Tubes
Heater different:

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 18 Volts / If 0.1 Ampere / Indirect / Specified voltage AC/DC

18c51_so.png 18C51: rtt
Anonymous 10 Collector

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Just Qvigstad
18C51: Radio Valve Guide
Fabio Masetti

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