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ID = 20879
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to GU50 = G4150 = AU6
Similar Tubes
Different maximum ratings:
Predecessor Tubes GU1  
Successor Tubes VU72  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Top contact with a cap.
Filament Vf 4 Volts / If 3 Ampere
Description Va<5.2kV piv; Ik<0.25A av. 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
51 x 145 x mm / 2.01 x 5.71 x inch
Tube prices 2 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
  GU50: GEC's catalogue supplement
Anonymous 413 Collector
GU50: Sammlung GJ
Anonymous 544 Collector

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GU50: rtt
Michael Schlör

GU50: GEC's catalogue supplement
Anonymous 413 Collector

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