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ID = 18457
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to CV1435 = GU20
Similar Tubes
Normally replaceable-slightly different:

Base Edison giant, E40 = 40 mm-Goliat Top contact with a cap.
Was used by Military and/or Government
Filament Vf 4 Volts / If 11 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
x 216 x 57 mm / x 8.50 x 2.24 inch
Weight 113 g / 3.99 oz
Information source Babani, International Radio Tube Encyclopaedia   p. 268 & 269
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   p. 35
Taschenbuch zum Röhren-Codex 1948/49

1_edison_rect_64.png CV1435: Manufacturer's Literature
Emilio Ciardiello

Just Qvigstad

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