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BU30/50

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ID = 31555
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Current Regulator, Iron in Hydrogen   Power-supply 
Identical to BU30/50

Base Edison big E27 = 27 mm
Was used by Radio/TV-reception etc.
Filament Direct
Description

0.27-0.33A; 25-75V;

 
Dimensions (WHD)
incl. pins / tip
38 x 120 x mm / 1.50 x 4.72 x inch
Information source - - Manufacturers Literature   Data sheet December 1948
Babani, International Radio Tube Encyclopaedia   p. 315

baretter_pins_e27_e40~~2.png BU30/50: Fin Stewart
Fin Stewart


Just Qvigstad
bu30-2_110data_2.png
BU30/50: own collection
Peter den Boer

 

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