McVitie Weston valve collection, Ediswan valve, type D2X
- Made:
- circa 1918
Ediswan valve, type D2X, serial No. 134E, miniature, with flying leads, one of ten exhibits in a glazed box, (RMW/Y748 - McVitie Weston number), by Royal Ediswan, c. 1918.
Ediswan valve, type D2X, serial No. 134E, miniature, with flying leads, one of ten exhibits in a glazed box, (RMW/Y748 - McVitie Weston number), by Royal Ediswan, c. 1918.