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ID = 28678
Brand: Lutèce-Lumière S.A.; Paris
Tube type:  Triode, vacuum   Power/Output 
Identical to P405
First year 1928 ?? Saga of the Vacuum Tube, Tyne page 413

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.2 Ampere / Direct / Battery =
Description Manufacturers : Lutèce-Lumiere SA, Paris
LF Triode
Va : 50 to 150V
Ia : 8 to 10mA
Vg : -4 to -15V
S : 2.5 mA/V
μ : 5
Text in other languages (may differ)
Information source - - Manufacturers Literature   Catalog 1929
P405: Manufacturers data
Patrice Zeissloff

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