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D3_Detector

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ID = 30705
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Detector 
Identical to D3_Detector

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 1.8 Volts / If 0.3 Ampere / Direct / Battery =
Description

White Ring.

 
Information source Wireless World (The), London (WW, 79)   September 30 1925
-- Collector info (Sammler)

b4_base_pins~~87.png D3_Detector: Fin Stewart
Fin Stewart


Just Qvigstad
d3_detector_spec.png
D3_Detector: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

 
d.3.png

 

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