McVitie Weston valve collection, MOV/GEC valve, type A.T.40
MOV/GEC valve, type A.T.40, marked 12344, pinch marked 7*042, (RMW/J96 - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.
MOV/GEC valve, type A.T.40, marked 12344, pinch marked 7*042, (RMW/J96 - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.