McVitie Weston valve collection, Mullard valve, type PEN A4

Made:
1937
maker:
Mullard Limited

Mullard valve, type PEN A4, marked 10L/249, 1074BY, (RMW/Y191 - McVitie Weston number), by Mullard Limited, 1937.

Details

Category:
Electronic Components
Object Number:
1972-141/1707
type:
valve
credit:
STC plc
status:
Permanent collection

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