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ID = 43687
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Triode, vacuum   Audio Frequency 
Identical to DEL410_UX
Similar Tubes
Other base:

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.1 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
44 x 105 x mm / 1.73 x 4.13 x inch
Weight 44 g / 1.55 oz
Information source - - Manufacturers Literature   
-- Collector info (Sammler)   

uxsockel_11_2.png DEL410_UX: pin connections for UX201A.
Stuart Irwin

Just Qvigstad
DEL410_UX: AWA Radio Guide 1926-28
Stuart Irwin

Usage in Models 2= 1928 ; 4= 1929

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):6

Collection of



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