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ID = 43910
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  MICROWAVE AND RADAR, general   SHF/EHF (>3 GHz) 
Identical to V247C/1K

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect
Description GPO Specification for VM Heil Tube Oscillator 4570 to 4750 MHz. Po >200mW
Ia 33 to 40mA at 300V.
Dimensions (WHD)
incl. pins / tip
42 x 73 x mm / 1.65 x 2.87 x inch
Information source - - Manufacturers Literature   
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V247C/1K: Private collection
Emilio Ciardiello

V247C/1K: Manufacturer's Literature
Emilio Ciardiello

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