McVitie Weston valve collection, MOV/ GEC valve, type V.T. No 37A
MOV/ GEC valve, type V.T. No 37A, serial No. 917, (RMW/E151B - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.
MOV/ GEC valve, type V.T. No 37A, serial No. 917, (RMW/E151B - McVitie Weston number), by M-O Valve Co. Limited; General Electric Company Limited.