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ID = 64308
Great Britain (UK)
Brand: Cleartron Radio Ltd.; London
Developer: Cleartron Radio Ltd.; London 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to CT10+

Base Europe 4-Pin (A, 4A, B4, since 1914)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.1 Ampere / Direct / Battery =

This tube made in 1926. One of the last three tubes made by the company.

Literature - - Manufacturers Literature   Undated advertisement
-- Collector info (Sammler)   
CT10+: Frank Cuffe
Frank Cuffe

CT10+: Fin Stewart
Fin Stewart


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