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P420_Nowak

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ID = 19659
       
Country:
Austria
Brand: Nowak & Co.; Wien
Tube type:  Triode, vacuum   Power/Output 
Identical to P420_Nowak

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.2 Ampere / Direct
Description

This tube listed in the Information Source as Novak brand.

 
Information source Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   

p420_novack_sock.png P420_Nowak: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

More ...

Just Qvigstad
nowakp420_daten_01.png
P420_Nowak: Nowak Röhrenbroschüre ca. 1927
Thomas Lebeth

 

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