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MR304

Information - Help 
ID = 57480
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to MR304

Base Edison, size not known Top contact screw type.
Filament Vf 4 Volts / If 12.5 Ampere / Direct
Description Grid controlled. 
Information source - - Manufacturers Literature   October 1948
 
mr304data.png
MR304: own collection
Peter den Boer


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