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ID = 57643
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Current Regulator, Iron in Hydrogen   Power-supply 
Identical to BU600/6

Base Edison medium E14 = 14 mm, mignon
Was used by Radio/TV-reception etc.
Filament Direct

3 to 9V, 5.4 to 6.6A

Dimensions (WHD)
incl. pins / tip
58 x 150 x mm / 2.28 x 5.91 x inch
Information source - - Manufacturers Literature   December 1948 & June 1951

baretter_e14.png BU600/6: Fin Stewart
Fin Stewart

Just Qvigstad
BU600/6: own collection
Peter den Boer


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