McVitie Weston valve collection, MOV/ GEC valve, type VT. No 78
MOV/ GEC valve, type VT. No 78, marked 58, pinch marked 1437, (RMW/E166 - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.
MOV/ GEC valve, type VT. No 78, marked 58, pinch marked 1437, (RMW/E166 - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.