McVitie Weston valve collection, Ediswan valve, type V.T.94
Ediswan valve, type V.T.94, pinch marked VT94 4C9, (RMW/E175 - McVitie Weston number), by Royal Ediswan.
Ediswan valve, type V.T.94, pinch marked VT94 4C9, (RMW/E175 - McVitie Weston number), by Royal Ediswan.