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T5_Osram

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ID = 59133
       
Country:
Great Britain (UK)
Brand: Osram-Valves GB (not MO-Valves)
Developer: Osram-Valves GB (not MO-Valves) 
Tube type:  Transmitting Triode, air cooled   Universal 
  <1925 very rare. ***
Identical to T5_Osram = NT5 = T5

Base Edison (candelabra) 12 mm
Was used by Transmittertube (Radio)
Filament Vf 5.6 Volts / If 1.6 Ampere / Direct / Battery =
Description

20 watt transmitting tube. First made at Osram Lamp Works February 1919. British Navy version NT5. British Admiralty Pattern number AP5848

 
Information source British Radio Valves - The Vintage Years: 1904-1925   Pages 86, 128 & 130
Saga of the Vacuum Tube, Tyne   Page 230
The Saga of Marconi Osram Valve

 

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