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ID = 15068
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Triode, vacuum   Power/Output 
Identical to WE4
First year 1926 ?? Saga of the Vacuumtube, Tyne page 463

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If 0.1 Ampere / Direct
Description Heizung 3,4 - 3,7V/0,2A; Sättigungsstr. 20mA; Anodenspannung 20 - 50V; Durchgriff 12%; Steilheit 1,2mA/V; Innerer Widerstand 7000Ω; Anwendung: H.N.L.;Preis 1927: 16,50ATS. Daten aus dem WEKA-Katalog 1927, Seite 169. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
WE4: rtt
Michael Schlör

WE4: Funk-Bastler 1927, Heft 14
Hartmut Völler

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