McVitie Weston valve collection, MOV/GEC valve, type R
MOV/GEC valve, type R, marked 1954 G, (RMW/Y22 - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.
MOV/GEC valve, type R, marked 1954 G, (RMW/Y22 - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.