McVitie Weston valve collection, GEC Tuneray valve, type Y63
GEC Tuneray valve, type Y63, marked 56, pinch marked 059, (RMW/K61A - McVitie Weston number), by General Electric Company Limited.
GEC Tuneray valve, type Y63, marked 56, pinch marked 059, (RMW/K61A - McVitie Weston number), by General Electric Company Limited.