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4-Volt

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ID = 83855
       
Country:
Australia
Brand: Murdoch's Ltd.; Sydney
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to 4-Volt

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / Direct
Information source -- Collector info (Sammler)   

b4_base_pins~~428.png 4-Volt: Fin Stewart
Fin Stewart


Just Qvigstad
 

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