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ID = 78303
Brand: Valora, Gloeilampenfabriek; Goirle near Tilburg
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to 1.8V

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 1.8 Volts / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
x 88 x 30 mm / x 3.46 x 1.18 inch
Weight 31 g / 1.09 oz
Information source -- Collector info (Sammler)   

b4_triode~~3.png 1.8V: Fin Stewart
Fin Stewart

Just Qvigstad

Collection of



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