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R1_Brimar

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ID = 84410
       
Country:
Great Britain (UK)
Brand: Brimar (STC); Foots Cray
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to R1_Brimar
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Half indirect
Description

Also branded Micromesh, an STC subsidiary

 
Information source History of the British Radio Valve to 1940   p. 142 & 176
Babani, International Radio Tube Encyclopaedia   p. 284 & 285
Taschenbuch zum Röhren-Codex 1948/49

brimar_radio_valves_1936_pins~~20.png R1_Brimar: Brimar Radio Valves 1936
Adrian Riesen

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Just Qvigstad
r1_r2_r3_1a7_brimar_radio_valves_1936_p1_data1.png
R1_Brimar: Brimar Radio Valves 1936
Adrian Riesen

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r1_r2_r3_1a7_brimar_radio_valves_1936_p1_picture.jpg

 

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