McVitie Weston valve collection, French valve, type R
French valve, type R, pinch marked 16 and 1134, glass smashed, filament missing, (RMW/B54B - McVitie Weston number), by Unknown maker.
French valve, type R, pinch marked 16 and 1134, glass smashed, filament missing, (RMW/B54B - McVitie Weston number), by Unknown maker.