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ID = 30726
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to VT13C
Similar Tubes
Normally replaceable-slightly different:
  VT13A ; VT13B

Base L4 British large 4 pin (1922, LG4)
Was used by Military and/or Government
Filament Direct / Battery =

Simular to CV1562, 10E/7510 (Cancelled).Used in transmitting station type T77, 143-400 kHz and 1500-2256 kHz, with valves 3xVT26, VT4B, VT13C and 2xVU29.Also used in the transmitting part TR1091 of the TR1092. Valves used VT13C and VT25.

Dimensions (WHD)
incl. pins / tip
55 x 104 x mm / 2.17 x 4.09 x inch
Weight 98 g / 3.46 oz
Information source -- Original-techn. papers.   
Robert Gillespie

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VT13C: Fin Stewart
Fin Stewart


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