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NR17

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ID = 14553
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  TRIODE (Detail uncertain)   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to NR17 = CV1155 = 7407

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Military and/or Government
Filament Vf 4 Volts / If 0.1 Ampere / Direct / Specified voltage AND current AC/DC
Description

British Admiralty Pattern no 7407

 
Dimensions (WHD)
incl. pins / tip
28 x 86 x mm / 1.10 x 3.39 x inch
Information source Taschenbuch zum Röhren-Codex 1948/49   

pm3_14.png NR17: Manufacturer's Literature
Emilio Ciardiello


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