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ID = 86884
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to E414_MOV
Similar Tubes
Other characteristic (electr. data):

Base SPECIAL TUBEBASE in general 2 Sidecontacts.
Was used by Radio/TV-reception etc.
Filament Vf 1 Volts / Direct

This tube is an experimental type - a 1 volt version of the MOV DEV. It was made at the Hirst Research Centre of GEC, It is unusual in that it has two element caps on one side of the bulb. Not known if the tube was soldcommercially.

Information source -- Collector info (Sammler)   

triode~~9.png E414_MOV: Fin Stewart
Fin Stewart



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