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ID = 9937
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Triode-Pentode   RF/IF-Stage 
Identical to CV1344 = TP22 = ARTP1

Base B9 British 9-Pin (Codex=Yq) Top contact with a cap.
Was used by Military and/or Government
Filament Vf 2 Volts / If 0.25 Ampere / Direct

Metallised glass body.

Information source Babani, International Radio Tube Encyclopaedia   p. 74 & 75
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   p. 35
Taschenbuch zum Röhren-Codex 1948/49

artp1_1.png CV1344: Manufacturer's Literature
Emilio Ciardiello

Just Qvigstad
CV1344: Manufacturer's Literature
Emilio Ciardiello

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