McVitie Weston valve collection, MOV/GEC valve, type R10XA
MOV/GEC valve, type R10XA, etched 8, (RMW/B89 - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.
MOV/GEC valve, type R10XA, etched 8, (RMW/B89 - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.