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ID = 34166
Great Britain (UK)
Brand: Metropolitan-Vickers (Metro-Vick, Cosmos); GB
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to SP42/U

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 2 Ampere / Half indirect

Story of Cosmos valves see here

Dimensions (WHD)
incl. pins / tip
57 x 148 x mm / 2.24 x 5.83 x inch
Weight 85 g / 3.00 oz
Information source -- Collector info (Sammler)   
History of the British Radio Valve to 1940   p.168
SP42/U: Sammlung GJ
Anonymous 544 Collector


from Just Qvigstad

Usage in Models 1= 1929

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of a member from D

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