McVitie Weston valve collection, MOV/GEC valve, type A.R.
MOV/GEC valve, type A.R., marked 13475, pinch marked 1271, (RMW/C2 - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.
MOV/GEC valve, type A.R., marked 13475, pinch marked 1271, (RMW/C2 - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.