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ID = 6415
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Mag. Eye, 1 shadow angle   Indication 
Identical to AC/ME = VME4
Similar Tubes
Heater different:
First Source (s)
May.1937 : Wireless World (The), London (WW, 79) Advertisement

Base British-7-Pin, old (M7A) (Codex=N)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.5 Ampere / Indirect / Specified voltage AC/DC

Zero shadow at 22 volts.

Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   

167.png AC/ME: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
AC/ME: Mazda DataSheet
Franz Scharner

More ...
Usage in Models 6= 1937

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):6

Collection of



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