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ID = 48421
Brand: Valora, Gloeilampenfabriek; Goirle near Tilburg
Tube type:  Triode, vacuum 
Identical to Bigred

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, Anode Volts 50-80 
Dimensions (WHD)
incl. pins / tip
33 x 93 x 31 mm / 1.30 x 3.66 x 1.22 inch
Weight 38 g / 1.34 oz
Bigred: own collection
Peter den Boer

Bigred: own collection
Peter den Boer


from Just Qvigstad

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