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ID = 28795
Great Britain (UK)
Brand: Scott - Taggart (Author)
Tube type:  Triode, vacuum   Power/Output 
Identical to ST43
Similar Tubes
Heater different:
First year Feb.1927 Saga of the Vacuumtube, Tyne page 395

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 4 Volts / If 0.25 Ampere / Direct / Battery =
Description Marketed by ST Ltd; probably manufactured by another company. 
Text in other languages (may differ)
Literature - - Manufacturers Literature   Advt Jan 1927 WW.

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