McVitie Weston valve collection, Marconi Osram valve, type D.E.R.

maker:
M-O Valve Company Limited

Marconi Osram valve, type D.E.R., etched S6976, (RMW/C23 - McVitie Weston number), by M-O Valve Co. Limited.

Details

Category:
Electronic Components
Object Number:
1972-141/448
type:
valve
credit:
STC plc