McVitie Weston valve collection, Ediswan valve, type AU7
- Made:
- 1935
Ediswan valve, type AU7, stem marked J6808, (RMW/Y678A - McVitie Weston number), by Royal Ediswan, 1935.
Ediswan valve, type AU7, stem marked J6808, (RMW/Y678A - McVitie Weston number), by Royal Ediswan, 1935.