McVitie Weston valve collection, MOV valve, type U.19
- maker:
- M-O Valve Company Limited
MOV valve, type U.19, marked Z, (RMW/Y643 - McVitie Weston number), by M-O Valve Co. Limited.
MOV valve, type U.19, marked Z, (RMW/Y643 - McVitie Weston number), by M-O Valve Co. Limited.