McVitie Weston valve collection, Mazda valve, type AC2/HL
Mazda valve, type AC2/HL, pinch marked AC224, (RMW/F31A - McVitie Weston number), by British Thomson-Houston Company Limited.
Mazda valve, type AC2/HL, pinch marked AC224, (RMW/F31A - McVitie Weston number), by British Thomson-Houston Company Limited.