McVitie Weston valve collection, Marconi valve, type VP21

Made:
c. 1932
maker:
Marconi Company Limited

Marconi valve, type VP21, glass envelope loose, (RMW/Y214 - McVitie Weston number), by Marconi Company Limited, c. 1932.

Details

Category:
Electronic Components
Object Number:
1972-141/1732
type:
valve
credit:
STC plc