McVitie Weston valve collection, GEC valve, type AT250
GEC valve, type AT250, double ended glass bulb without end caps, glass smashed and electrodes damaged, (RMW/J107 - McVitie Weston number), by General Electric Company Limited.
GEC valve, type AT250, double ended glass bulb without end caps, glass smashed and electrodes damaged, (RMW/J107 - McVitie Weston number), by General Electric Company Limited.