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

VT5_GPO

Information - Help 
ID = 62729
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Triode, vacuum   Audio Frequency 
  <1925 very rare. ***
Identical to VT5_GPO

Was used by Telephony
Filament Direct
Description

Tube designed for Britih Post Office in 1919, as a repeater type. Other details unknown.

 
Information source British Radio Valves - The Vintage Years: 1904-1925   Pages 82 and 133

b4_base_pins~~392.png VT5_GPO: Fin Stewart
Fin Stewart

 

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