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U1_Osram

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ID = 28835
       
Country:  Great Britain (UK)      Brand: Osram-Valves GB (not MO-Valves)
  Developer:  Osram-Valves GB (not MO-Valves) 
  Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
  <1925 very rare. ***
Identical to U1_Osram
First year   1918 Saga of the Vacuumtube, Tyne page 230

Base Wires Wires only
Was used by Military and/or Government
Filament Vf 12 Volts / If 4 Ampere / Direct / Parallel, (AC/DC) /
Description

GEC-Osram design for Navy. Simply a T1 without grid. Used with T3 and T4A. First made at Osram Lamp Works of GEC June 1918.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
125 x 250 x mm / 4.92 x 9.84 x inch
Literature Saga of the Vacuumtube, Tyne   page 230
British Radio Valves - The Vintage Years, Thrower   
- - Manufacturers Literature

u1_mov_spec.png
U1_Osram: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector


U1_Osram*Box
   

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