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ID = 27664
United States of America (USA)
Brand: General Electric Co. (GE); Bridgeport CT, Syracuse NY
Tube type:  Transmitting Triode, air cooled   Power/Output 
  <1925 rare.
Identical to UV204_cylindric = 504
Similar Tubes
Other shape (e.g. bulb type):
Successor Tubes UV204A  

Base TRANSMITTER-Base in gneral
Was used by Transmittertube (Radio)
Filament Vf 11 Volts / If 14.75 Ampere / Direct / Parallel, (AC/DC)
Description RF Output 250W. Filament and Anode are Tungsten.
Error in Tyne, p.327: Fig.16-23 shows a single ended tube, not a UV204!
The UV204 has the same bulb as the UV204A, both are double ended. The main difference is the heater current 14.75 A for the UV204 vs. 3.85 A for the UV204A. 
Literature Saga of the Vacuumtube, Tyne   pp.327, 328
Konrad Birkner † 12.08.2014

UV204_cylindric: Fin Stewart
Fin Stewart


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