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ID = 3268
Brand: Osram GmbH KG; Berlin
Tube type:  Current Regulator, Iron in Hydrogen 
Identical to EW12

Base Europe side contact P8A (Au P, 8SC) (Codex=S)
Description Diese Röhre hat 2 Regelbereiche, je nach Beschaltung der Sockelkontakte.
35...105V; 0,2A; Umax: 125V
80...240V; 0,2A; Umax: 240V 
Dimensions (WHD)
incl. pins / tip
40 x 140 x mm / 1.57 x 5.51 x inch
Information source Röhren-Taschenbuch (frühe Ausgaben, spätere siehe andere Einträge)   
Taschenbuch zum Röhren-Codex 1948/49   
EW12: Collection JR
Jacob Roschy

More ...
EW12: Telefunken Werkstattbuch
Wolfgang Bauer

EW12: Osram, Liste #60, 1937
Anonymous 15 Collector

from Just Qvigstad

Usage in Models 1= 1937 ; 4= 1939

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):5

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