McVitie Weston valve collection, Cosmos valve, type DE55
- Made:
- 1926
Cosmos valve, type DE55, pinch marked 2/85, (RMW/C132 - McVitie Weston number), by Metropolitan-Vickers Electrical Company Limited, 1926.
Cosmos valve, type DE55, pinch marked 2/85, (RMW/C132 - McVitie Weston number), by Metropolitan-Vickers Electrical Company Limited, 1926.