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4-Volt

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ID = 83855
       
Country:
Australia
Brand: Murdoch's Ltd.; Sydney
Developer: Cossor, A.C.; London 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to 4-Volt
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / Direct
Description

This tube made in England by A C Cossor, for Murdoch's Ltd

 
Dimensions (WHD)
incl. pins / tip		 x 110 x 37 mm / x 4.33 x 1.46 inch
Weight 38 g / 1.34 oz
Information source -- Collector info (Sammler)   
b4_base_pins~~428.png 4-Volt: Fin Stewart
Fin Stewart

Just Qvigstad

Collection of

Fin Stewart (AUS)
 
murdochs_general_purpose_4_volt_fs.jpg

 
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