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ID = 67090
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to 4329A = 329A_WE
Similar Tubes
Different connections:

Base UY-Base, 5 Pins (USA, April 1927) Top contact with a cap.
Was used by Industrial
Filament Vf 7.5 Volts / If 0.85 Ampere / Indirect / Specified voltage AC/DC

In the 5 pin base version of this tube, the kathode is internaly connected to the suppresor grid. In the 6 pin version, the kathode is connected to one base pin.

Dimensions (WHD)
incl. pins / tip
x 123 x 38 mm / x 4.84 x 1.50 inch
Weight 40 g / 1.41 oz
Information source - - Manufacturers Literature   
-- Collector info (Sammler)   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
4329A: Fin Stewart collection
Fin Stewart


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