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ID = 57479
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Thyratron   Power-supply 
Identical to MR15

Base Edison giant, E40 = 40 mm-Goliat Top contact screw type.
Was used by Industrial
Filament Vf 4 Volts / If 15 Ampere / Direct

Grid controlled rectifier, <20kV piv, 3A.

Dimensions (WHD)
incl. pins / tip
150 x 440 x mm / 5.91 x 17.32 x inch
Weight 510 g / 17.99 oz
Information source - - Manufacturers Literature   November 1948
- - Manufacturers Literature   AEI 1962

Just Qvigstad
MR15: own collection
Peter den Boer


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