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ID = 65426
Great Britain (UK)
Brand: Cossor, A.C.; London
Developer: Cossor, A.C.; London 
Tube type:  Double Diode   Text 
  Ca. 1925 up to 1945 very rare. ***
Identical to CV1691 = VT127A_GPO = DDL4 = AC/P_Mazda
Similar Tubes
Normally replaceable-slightly different:
  CV1119 ; VR119

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Was used by Military and/or Government
Filament Vf 4 Volts / If 0.75 Ampere / Indirect / Specified voltage AND current AC/DC

Twin diode tube used as a rectifier doubler

Information source Babani, International Radio Tube Encyclopaedia   Pages 78 & 79
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Page 36
CV1691: Fin Stewart
Fin Stewart


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