radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

PV2_DE

Information - Help 
ID = 30817
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Developer: Ediswan, Siemens Edison Swan Electric Co.; London 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to PV2_DE
First Source (s)
1926 : British Radio Valves - The Vintage Years: 1904-1925 p.50
1926 : Saga of the Vacuum Tube, Tyne p.373
Predecessor Tubes PV2_Ediswan  
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Battery =
Description

There was another Ediswan PV2 with bright emitter, completely different
- similar to an R type tube but a bigger bulb. This tube has an oxide coated fiilament.

 
Information source Saga of the Vacuum Tube, Tyne   p.373
Wireless World (The), London (WW, 79)   Ediswan Advertisement Jan 12th 1927
-- Collector info (Sammler)
British Radio Valves - The Classic Years: 1926-1946
b4_1~~66.png PV2_DE: Fin Stewart
Fin Stewart

Just Qvigstad
Usage in Models 1= 1927
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

Fin Stewart (AUS)
 
dscf6213.jpg

 
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]
  
Data Compliance More Information