
McVitie Weston valve collection, Western Electric valve, type 205B

Western Electric valve, type 205B, electrode supporting glass pillar broken, (RMW/D106 - McVitie Weston number), by Western Electric Company Limited.
Western Electric valve, type 205B, electrode supporting glass pillar broken, (RMW/D106 - McVitie Weston number), by Western Electric Company Limited.