McVitie Weston valve collection, Royal Ediswan valve, type C
- Made:
- 1918
Royal Ediswan valve, type C, painted 19 on glass envelope, (RMW/B52B - McVitie Weston number), by Royal Ediswan, 1918.
Royal Ediswan valve, type C, painted 19 on glass envelope, (RMW/B52B - McVitie Weston number), by Royal Ediswan, 1918.