Summary

Beam Tetrode. Used as a television power amplifier.
This valve was designed for use as a horizontal deflection amplifier in television receivers in 1939. It was used during the war in radar displays, hence the military codes VT75A and 10E/387
Manufacturer: MO Valve Co. England.
4 V indirectly heated cathode.

Physical Description

Shouldered bulb with 7 pin European style base with top cap.

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