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1G

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ID = 28933
       
Country:
United States of America (USA)
Brand: DeForest-Tubes
Developer: DeForest-Tubes 
Tube type:  Transmitting Triode, air cooled   Universal 
Identical to 1G
Similar Tubes
Different connections:
  Oscillion_500W
First year 1920 Saga of the Vacuumtube, Tyne page 129, 130
Predecessor Tubes Oscillion_500W  

Base SPECIAL TUBEBASE in general
Was used by Transmittertube (Radio)
Filament Direct
Description Basis-Type = Oscillion. Later Model of these Oscillions, designated 1G (500W) 
Text in other languages (may differ)
Literature Saga of the Vacuumtube, Tyne   page 129, 130
 

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