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ID = 2885
Brand: Tungsram; Budapest (see also British T.)
Developer: Tungsram; Budapest (see also British T.) 
Tube type:  Signal Diode - one single system   Detector 
  Ca. 1925 up to 1945 very rare. ***
Identical to D418 = CV1686 = CV1687
Similar Tubes
Other characteristic (electr. data):
  VT118A_GPO ; VT118B_GPO

Base Europe 3-Pin B3 (Eu H) (Codex=Ecc) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.18 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Babani, International Radio Tube Encyclopaedia   Page 92
Taschenbuch zum Röhren-Codex 1948/49   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
  D418: Eigentum
Egon Strampe
D418: scc
Christian Schaufelberger

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D418: Röhren Codex 1948
Anonymous 10 Collector

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D418: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

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from Just Qvigstad

Usage in Models 1= 1932 ; 4= 1934? ; 17= 1934 ; 1= 1935? ; 2= 1935 ; 1= 1938?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):26

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