McVitie Weston valve collection, Mullard valve, type SG20

Mullard valve, type SG20, marked Dummy

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Mullard valve, type SG20, marked Dummy
Science Museum Group
© The Board of Trustees of the Science Museum

Mullard valve, type SG20, marked Dummy, (RMW/G91 - McVitie Weston number), by Mullard Limited.

Details

Category:
Electronic Components
Object Number:
1972-141/1101
type:
valve
credit:
STC plc