McVitie Weston valve collection, MOV/ GEC valve, type V.T. No. 86
MOV/ GEC valve, type V.T. No. 86, marked 146, pinch marked VT 86, (RMW/E171 - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.
MOV/ GEC valve, type V.T. No. 86, marked 146, pinch marked VT 86, (RMW/E171 - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.