McVitie Weston valve collection, Mullard valve, type DU/40

Made:
circa 1928
maker:
Mullard Limited
Mullard valve, type DU/40, (RMW/A105 - McVitie Weston number)

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Mullard valve, type DU/40, (RMW/A105 - McVitie Weston number)
Science Museum Group
© The Board of Trustees of the Science Museum

Mullard valve, type DU/40, (RMW/A105 - McVitie Weston number), by Mullard Limited, c. 1928.

Details

Category:
Electronic Components
Object Number:
1972-141/107
type:
valve
credit:
STC plc