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AT50

Information - Help 
ID = 57818
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Transmitting Triode, air cooled 
  <1925 very rare. ***
Identical to AT50
Similar Tubes
Other base:
  T50_MO

Base SPECIAL TUBEBASE in general Top contact with a cap.
Was used by Military and/or Government
Filament Vf 7.3 Volts / If 2.6 Ampere / Direct
Description

50 watt transmitting tube made for the British Army by MOV, Edison-Swan, BTH and A.C.Cossor Ltd. Three "foot" style connections on base (base known as S3). Anode from a top screw terminal.

 
Dimensions (WHD)
incl. pins / tip
75 x 195 x mm / 2.95 x 7.68 x inch
Information source British Radio Valves - The Vintage Years, Thrower   
- - Data from my own collection   
 
osram_at50.jpg
AT50: Fin Stewart collection
Fin Stewart

 
at50.png
AT50: Fin Stewart
Fin Stewart

 


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