McVitie Weston valve collection, Royal Ediswan valve, type ES10
Royal Ediswan valve, type ES10, one bayonet cap, one standard screw cap, (RMW/A95 - McVitie Weston number), by Royal Ediswan.
Royal Ediswan valve, type ES10, one bayonet cap, one standard screw cap, (RMW/A95 - McVitie Weston number), by Royal Ediswan.