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220TH Info
Country:  Great Britain (UK)      Brand:  Cossor, A.C.; London 
  Tube type:  Triode-Heptode 
Tube ID = 18333
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Identical to 220TH

Base British-7-Pin, old (M7A) (Codex=Nto) Top contact with a cap
Filament -: Direct / If: 0.2 Ampere / Vf 2 Volts /
Literature Taschenbuch zum Röhren-Codex 1948/49   

220th_sock.png
Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 
Usage in Models   1= 1938 ; 2= 1940 ; 2= 1947 ; 1= 1948 ; 1= 1949 ;
Number of Models with this tube   7
No further Information for

220TH    

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