McVitie Weston valve collection, Ediswan valve, type V.T.1A
Ediswan valve, type V.T.1A, pinch marked P 6731, top pip broken, (RMW/J58A - McVitie Weston number), by Royal Ediswan.
Ediswan valve, type V.T.1A, pinch marked P 6731, top pip broken, (RMW/J58A - McVitie Weston number), by Royal Ediswan.