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ID = 11562
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Vacuum Pentode   Power/Output 
Identical to PT415 = B443_4pin
Similar Tubes
Other base:
  B443 ; PT415_5pin

Base Europe 4-Pin B4 + side contact (Codex=Eoo)
Filament Vf 4 Volts / If 0.15 Ampere

Diese Röhre gibt es auch mit Europasockel 5-Stift ab 1928. Codex falsch erfasst!

Information source Taschenbuch zum Röhren-Codex 1948/49   

pt415_so.png PT415: rtt
Anonymous 10 Collector

Just Qvigstad

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