radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

MR4_MOV

Information - Help 
ID = 28649
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Developer: Osram-Valves GB (not MO-Valves) 
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
  <1925 rare.
Identical to MR4_MOV = CV1611 = VT11_GPO
First year 1922 Saga of the Vacuumtube, Tyne page 381
First Source (s)
May.1919 : British Radio Valves - The Vintage Years, Thrower p.127

Base Wires Wires only
Was used by Military and/or Government
Filament Vf 12.5 Volts / If 6.3 Ampere / Direct / Parallel, (AC/DC)
Description

Pa <300, Va <10,000, (RFJ). First made by Osram Lamp Works of GEC May 1919

 
Dimensions (WHD)
incl. pins / tip
120 x 255 x mm / 4.72 x 10.04 x inch
Literature - - Data from my own collection   
Saga of the Vacuumtube, Tyne   Page 381
The Saga of Marconi Osram Valve
- - Manufacturers Literature
 
marconi_mr4.jpg
MR4_MOV: Aus eigenen Unterlagen
Rudolf Osterkamp

 
mr4_mov_spec.png
MR4_MOV: 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]
  
rmXorg