McVitie Weston valve collection, Admiralty valve, type NS2
Admiralty valve, type NS2, pinch marked Q41515, glass loose, (RMW/Y359 - McVitie Weston number), by Unknown maker.
Admiralty valve, type NS2, pinch marked Q41515, glass loose, (RMW/Y359 - McVitie Weston number), by Unknown maker.