McVitie Weston valve collection, Cosmos valve, type S.P.42/U
- Made:
- 1927
Cosmos valve, type S.P.42/U, (RMW/A87 - McVitie Weston number), by Metropolitan-Vickers Electrical Company Limited, 1927.
Cosmos valve, type S.P.42/U, (RMW/A87 - McVitie Weston number), by Metropolitan-Vickers Electrical Company Limited, 1927.