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ST63

Information - Help 
ID = 28799
       
Country:
Great Britain (UK)
Brand: ST Valve, S.T. Limited, John Scott-Taggart; London
Tube type:  Triode, vacuum   Power/Output 
Identical to ST63 = PM256
Similar Tubes
Heater different:
  ST43
First year Feb.1927 Saga of the Vacuum Tube, Tyne page 395

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 6 Volts / If 0.25 Ampere / Direct / Battery =
Description

Marketed by ST Ltd; probably manufactured by another company. Price 22/6 in January 1927.

 
Text in other languages (may differ)
Information source - - Manufacturers Literature   Advt in WW Jan 1927
Saga of the Vacuum Tube, Tyne   p. 395
 
scott_taggart_st63_pm256.jpg
ST63: National Valve Museum UK
Fin Stewart

 
b4_base_pins~~303.png
ST63: Fin Stewart
Fin Stewart

 

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