Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 31578
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  CRT (cathode ray tube, picture tube)   Indication 
Identical to 31C2
Similar Tubes
Normally replaceable-slightly different:
Heater different:
  31C14/T1 ; CV5119
Successor Tubes CV5119  

Base Duodecal (12-pin), B12A (not glass)
Filament Vf 4 Volts / If 0.72 Ampere / Indirect / Specified voltage AC/DC
Description 6" measurement tube for DF Compass.
Concave face with integral compass marks. 
Information source - - Manufacturers Literature   
- - -   
- - -
- - -

Just Qvigstad
31C2: Original data sheet
Michael Poll

More ...

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]