McVitie Weston valve collection, Ediswan valve, type ES14
- Made:
- circa 1918
Ediswan valve, type ES14, glass envelope cracked, (RMW/A97 - McVitie Weston number), by Royal Ediswan, c. 1918.
Ediswan valve, type ES14, glass envelope cracked, (RMW/A97 - McVitie Weston number), by Royal Ediswan, c. 1918.