McVitie Weston valve collection, Mazda valve, type AC2/HL
Mazda valve, type AC2/HL, pinch marked AC2 14 113, (RMW/F31B - McVitie Weston number), by British Thomson-Houston Company Limited.
Mazda valve, type AC2/HL, pinch marked AC2 14 113, (RMW/F31B - McVitie Weston number), by British Thomson-Houston Company Limited.