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ID = 53039
Great Britain (UK)
Tube type:  Triode, vacuum   Text 
  <1925 very rare. ***
Identical to AT26 = CV1360

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Transmittertube (Radio)
Filament Vf 5.5 Volts / If 1.5 Ampere / Direct / Specified voltage AC/DC

Made for the British Army by Edison-Swan: at least three design variations, including tipless. Also made by BTH with spherical bulb and nickel plated base and tip (c. 1924) and Cossor, tipless c. 1935 Dates of production between 1924 and 1944

Dimensions (WHD)
incl. pins / tip
52 x 108 x mm / 2.05 x 4.25 x inch
Information source British Radio Valves - The Vintage Years: 1904-1925   Page 77

b4~~1.png AT26: Fin Stewart
Fin Stewart

Just Qvigstad
Usage in Models 2= 1934 ; 1= 1935

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):3

Collection of



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