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A39A

Information - Help 
ID = 38178
       
Country:
Great Britain (UK)
Brand: Ever Ready Co. (GB) Ltd.; London
Tube type:  Magic Eye, generally   Indication 
Identical to A39A

Base Europe side contact P8A (Au P, 8SC)
Filament Vf 4 Volts / If 0.3 Ampere / Indirect / Parallel, (AC/DC defined voltage)
Description Probably a re-badged tube such as Mullard TV4. Used in Eveready/Lissen sets. 
 

from Just Qvigstad

Usage in Models 3= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

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