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406

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ID = 13540
       
Country:
Austria
Brand: Nowak & Co.; Wien
Tube type:  Triode, vacuum 
Identical to 406

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.06 Ampere / Direct
Description

Tube brand listed in Information Sources iis shown as Novak

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   

triodedirektb4_5.png 406: Collection TL
Thomas Lebeth


Just Qvigstad
nowak406_daten_01.png
406: Nowak Röhrenprospekt ca. 1927
Thomas Lebeth

Usage in Models 1= 1928

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

Collection of a member from D
 
406_nowak_01.jpg

406
 

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