McVitie Weston valve collection, Tungsram valve, type V2118
Tungsram valve, type V2118, (RMW/A169 - McVitie Weston number), by Tungsram Electric Lamp Works (Gt. Britain) Ltd..
Tungsram valve, type V2118, (RMW/A169 - McVitie Weston number), by Tungsram Electric Lamp Works (Gt. Britain) Ltd..