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220HPT_5pin

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ID = 21325
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Vacuum Pentode   Power/Output 
Identical to 220HPT_5pin
Similar Tubes
Other base:
  220HPT

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.2 Ampere / Direct / Battery =
Information source History of the British Radio Valve to 1940   p.186

220hpt_5pin_so.png 220HPT_5pin: rtt
Anonymous 10 Collector


Just Qvigstad
Usage in Models 1= 1937? ; 1= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

 
220hptcossor_klein.jpg

220HPT_5pin
 

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