McVitie Weston valve collection

Made:: 1933

maker:: Mullard Limited

Mullard double diode triode valve, type TDD4, B7 base

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Mullard double diode triode valve, type TDD4, B7 base
Science Museum Group
© The Board of Trustees of the Science Museum

Mullard double diode triode valve, type TDD4, B7 base, marked 'DUMMY', lacking top cap., glass envelope loose, (RMW/Y185A - McVitie Weston number), made by Mullard Limited, 1933.

Details

Category:: Electronic Components

Object Number:: 1972-141/1699

type:: valve

credit:: STC plc

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McVitie Weston valve collection

Details

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