McVitie Weston valve collection, Cosmos valve, type SP50 RED
- Made:
- circa 1925
Cosmos valve, type SP50 RED, (RMW/C128 - McVitie Weston number), by Metropolitan-Vickers Electrical Company Limited, c. 1925.
Cosmos valve, type SP50 RED, (RMW/C128 - McVitie Weston number), by Metropolitan-Vickers Electrical Company Limited, c. 1925.