McVitie Weston valve collection, MOV valve, type E.222 (Exptl.)
- maker:
- M-O Valve Company Limited
MOV valve, type E.222 (Exptl.), marked No.1, pinch marked 3, (RMW/H66 - McVitie Weston number), by M-O Valve Co. Limited.
MOV valve, type E.222 (Exptl.), marked No.1, pinch marked 3, (RMW/H66 - McVitie Weston number), by M-O Valve Co. Limited.