McVitie Weston valve collection, Cosmos Shortpath valve, type A.C/P2
Cosmos Shortpath valve, type A.C/P2, vacuum pip broken, pinch marked HP/H/341, (RMW/F24 - McVitie Weston number), by Metropolitan-Vickers Electrical Company Limited.
Cosmos Shortpath valve, type A.C/P2, vacuum pip broken, pinch marked HP/H/341, (RMW/F24 - McVitie Weston number), by Metropolitan-Vickers Electrical Company Limited.