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Bigblue

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ID = 48420
       
Country:
Netherlands
Brand: Valora, Gloeilampenfabriek; Goirle near Tilburg
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to Bigblue

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 3.5 Volts / If 0.5 Ampere / Direct / Battery =
Description Opal glass, no getter, Blue label. Anode Volts 60-100 
Dimensions (WHD)
incl. pins / tip
33 x 93 x 31 mm / 1.30 x 3.66 x 1.22 inch
Weight 32 g / 1.13 oz
 
valora4datasmall.jpg
Bigblue: own collection
Peter den Boer

 
pinassigment_3.gif
Bigblue: own collection
Peter den Boer

 

from Just Qvigstad


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