McVitie Weston valve collection, Micro Metal valve
Micro Metal valve, marked 6/100 AMP. 427 407, (RMW/E52 - McVitie Weston number), by Compagnie Générale des Lampes.
Micro Metal valve, marked 6/100 AMP. 427 407, (RMW/E52 - McVitie Weston number), by Compagnie Générale des Lampes.