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ID = 28777
Brand: Lutèce-Lumière S.A.; Paris
Tube type:  Triode, vacuum   Power/Output 
Identical to S205
First year 1928 Saga of the Vacuumtube, Tyne page 413

Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.5 Ampere / Direct / Parallel, (AC/DC)
Description Manufacturers : Lutèce-Lumiere SA, Paris
LF power amplifier
Filament 2 to 2,5V 0,5A<>br Va : 40 to 150V
Ia : 10 to 12mA
Vg : -4 to -15V
S : 2.8 mA/V
μ : 5
Text in other languages (may differ)
Literature - - Manufacturers Literature   Catalog 1929
S205: Manufacturers data
Patrice Zeissloff

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