McVitie Weston valve collection, GEC/USA Tungar valve, type D-F-1
- Made:
- circa 1916
GEC/USA Tungar valve, type D-F-1, jumbo screw base, (RMW/A179 - McVitie Weston number), by General Electric Company Limited, c. 1916.
GEC/USA Tungar valve, type D-F-1, jumbo screw base, (RMW/A179 - McVitie Weston number), by General Electric Company Limited, c. 1916.