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ID = 21114
Tube type:  Television picture tube black+white 
Identical to MW31-7

Base Loctal-8, B8G (Sylvania, 1938)
Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect / Parallel, (AC/DC)
MW31-7: Courtesy Bureau Belper (De Muiderkring, Bussum)
Michael Schlör

MW31-7: Les Recepteurs de Telévision, Paris,1948
Sandor Selyem-Tóth

from Just Qvigstad

Usage in Models 3= 1949

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

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