MOV valve, type X41, marked ADM.PATT.W.1534 NR84, marked 96 3, (RMW/Y455B - McVitie Weston number), by M-O Valve Co. Limited, 1941.
MOV valve, type X41, marked ADM.PATT.W.1534 NR84, marked 96 3, (RMW/Y455B - McVitie Weston number), by M-O Valve Co. Limited, 1941.