McVitie Weston valve collection, GEC/USA valve, type FP54
GEC/USA valve, type FP54, marked 1796, (RMW/H63 - McVitie Weston number), by General Electric Company Limited.
GEC/USA valve, type FP54, marked 1796, (RMW/H63 - McVitie Weston number), by General Electric Company Limited.