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406

Information - Help 
ID = 13540
       
Country:
Austria
Brand: Nowak & Co.; Wien
Tube type:  TRIODE (Detail uncertain) 
Identical to 406

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 0.06 Ampere / Direct
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
406_nowak_01.jpg
406: Collection TL
Thomas Lebeth

 
triodedirektb4_5.png
406: Collection TL
Thomas Lebeth

 
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 a member from D

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