McVitie Weston valve collection, Cossor valve, type B
- maker:
- A C Cossor Limited
Cossor valve, type B, filament broken, (RMW/A44B - McVitie Weston number), by A C Cossor Limited.
Cossor valve, type B, filament broken, (RMW/A44B - McVitie Weston number), by A C Cossor Limited.