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ID = 20675
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to CR2_Ediswan

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 2 Volts / If 1.5 Ampere / Direct

Va <1000

Dimensions (WHD)
incl. pins / tip
42 x 100 x mm / 1.65 x 3.94 x inch
Weight 41 g / 1.45 oz
Information source Wireless World (The), London (WW, 79)   1933
-- Collector info (Sammler)   

Just Qvigstad

Collection of



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