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ID = 9854
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Developer: Mazda = Valve (Tube) brand GB (see also France) 
Tube type:  Vacuum Pentode   RF/IF-Stage 
  Ca. 1925 up to 1945 rare.
Identical to CV118 = VR65 = ARP36 = SP61 = VT200_GPO
Similar Tubes
Heater different:
Successor Tubes CV1065  

Base Octal-8 GB, (Mazda), K8B, MO (Codex=Vf) Top contact with a cap.
Was used by Military and/or Government
Filament Vf 6.3 Volts / If 0.65 Ampere / Indirect / Specified voltage AC/DC

STC also manufactured the CV118 at their Oldway factory.

Dimensions (WHD)
incl. pins / tip
32 x 90 x mm / 1.26 x 3.54 x inch
Weight 34 g / 1.20 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   Page 60
Universal Vade-Mecum, Electron Valves and Semiconductor Devices

cv118pin.png CV118: Manufacturer's Literature
Emilio Ciardiello

Just Qvigstad
CV118: Manufacturer's Literature
Emilio Ciardiello

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