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T1_Osrram

Information - Help 
ID = 59125
       
Country:
Great Britain (UK)
Brand: Osram-Valves GB (not MO-Valves)
Developer: Osram-Valves GB (not MO-Valves) 
Tube type:  Transmitting Triode, air cooled 
  <1925 very rare. ***
Identical to T1_Osrram

Base Wires Wires only
Was used by Military and/or Government
Filament Vf 12 Volts / If 4 Ampere / Direct
Description

First made May 1917, by Osram Lamp Works in conjunction with the British Navy. Navy version NT1.

 
Literature British Radio Valves - The Vintage Years, Thrower   Pages 68, 69 & 130
 

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