
McVitie Weston valve collection, Mullard valve, type EBC3
- Made:
- 1939
- maker:
- Mullard Limited

Mullard valve, type EBC3, red painted envelope marked SAMPLE, (RMW/Y235 - McVitie Weston number), by Mullard Limited, 1939.
Mullard valve, type EBC3, red painted envelope marked SAMPLE, (RMW/Y235 - McVitie Weston number), by Mullard Limited, 1939.