McVitie Weston valve collection, Mullard valve, type D020

Made:
1930
maker:
Mullard Limited
Mullard valve, type D020, pinch marked W2947

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Mullard valve, type D020, pinch marked W2947
Science Museum Group
© The Board of Trustees of the Science Museum

Mullard valve, type D020, pinch marked W2947, (RMW/D68B - McVitie Weston number), by Mullard Limited, 1930.

Details

Category:
Electronic Components
Object Number:
1972-141/655
type:
valve
credit:
STC plc