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O415

Information - Help 
ID = 18413
       
Country:
Austria
Brand: Nowak & Co.; Wien
Tube type:  TRIODE (Detail uncertain) 
Identical to O415

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 0.15 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
o415_sock.png
O415: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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nowako415_daten_01.png
O415: Nowak Röhrenbroschüre ca. 1927
Thomas Lebeth


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