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ID = 27663
United States of America (USA)
Brand: General Electric Co. (GE); Bridgeport CT, Syracuse NY
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Transmitting Triode, air cooled   Universal 
  <1925 rare.
Identical to P_Pliotron = VT-10
Successor Tubes CG-916  

Base Pin-and-blade jumbo (3 contacts) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 13 Volts / If 3.6 Ampere / Direct / Specified voltage AC/DC

RF Output 250W. Filament and Anode are Tungsten. Anode voltage 1500 - 2000. This tube was first developed in the GE Research laboratory in Schenectady New York and for a short time at a small factory set-up in Lynn Massachusetts. The original tubes were baseless but structural modifications were added, including a top cap and a three contact base. These later tubes were the Navy CG916 and Army VT10. It is mentioned on page 38 of "The Storyof Electronic Development at the General Electric Company".

Dimensions (WHD)
incl. pins / tip
x 356 x 127 mm / x 14.02 x 5.00 inch
Information source Saga of the Vacuum Tube, Tyne   p. 143-144 and 151-152
- - Manufacturers Literature   
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