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ID = 9436
Brand: Thermion; Lent (Nijmegen)
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
  Ca. 1925 up to 1945 rare.
Identical to 5-447 = E447 = H4129D = RENS1294 = A4AMS = A4AMS2 = TE47 = NVS43 = WE24 = LAS324 = HP4106 = RS4347 = S432 = VMP4 = 4A10_Ultron
Similar Tubes
Other shape (e.g. bulb type):
Production stop Feb.1938

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1933

5447base.png 5-447
Peter den Boer

Just Qvigstad
5-447: own collection
Peter den Boer

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