Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 28835
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 Vacuum Tube, 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)

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
Information source Saga of the Vacuum Tube, Tyne   page 230
British Radio Valves - The Vintage Years, Thrower   
- - Manufacturers Literature
U1_Osram: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]