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Z22

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ID = 17894
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Vacuum Pentode   RF/IF-Stage 
  Ca. 1925 up to 1945 rare.
Identical to Z22 = CV1727 = VT188_GPO

Base British-7-Pin, old (M7A)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.1 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   Pages 166&167

z22~~1.png Z22: Fin Stewart
Fin Stewart


Just Qvigstad

Collection of

 
osram_z22_bild1.jpg

Z22
 

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