McVitie Weston valve collection, MOV/ GEC valve, type V.T. No.41
MOV/ GEC valve, type V.T. No.41, marked 163, pinch marked 2247, (RMW/E155 - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.
MOV/ GEC valve, type V.T. No.41, marked 163, pinch marked 2247, (RMW/E155 - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.