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medium

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ID = 48417
       
Country:
Netherlands
Brand: Valora, Gloeilampenfabriek; Goirle near Tilburg
Tube type:  Triode, vacuum   Universal 
  Ca. 1925 up to 1945 rare.
Identical to medium

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 1.8 Volts / If 0.06 Ampere / Direct / Battery =
Description

This is the medium type, hight 64 mm without tip and pins. Anode Volts 30-75

 
Dimensions (WHD)
incl. pins / tip
30 x 86 x 31 mm / 1.18 x 3.39 x 1.22 inch
Weight 33 g / 1.16 oz
 
valora_medium.jpg
medium: KoBi
Konrad Birkner † 12.08.2014

 
pinassigment_2.gif
medium: own collection
Peter den Boer

 

from Just Qvigstad


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