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ID = 14412
Great Britain (UK)
Brand: Osram-Valves GB (not MO-Valves)
Developer: Osram-Valves GB (not MO-Valves) 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to L210 = 210LF = 210LF_Cossor
Similar Tubes
Normally replaceable-slightly different:
Other base:

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.1 Ampere / Direct / Battery =

This is a general purpose tube designed for audio frrquency amplifying.

Dimensions (WHD)
incl. pins / tip
x 103 x 47 mm / x 4.06 x 1.85 inch
Weight 44 g / 1.55 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   Osram tube booklet March 1930
L210: MS
Martin Steyer

L210: Telefunken Werkstattbuch
Wolfgang Bauer

L210: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

from Just Qvigstad

Usage in Models 1= 1929? ; 2= 1929 ; 1= 1930?? ; 1= 1930? ; 2= 1931 ; 2= 1933 ; 1= 9999

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):10

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