
McVitie Weston valve collection, Mazda valve, type DC2/SG

Mazda valve, type DC2/SG, pinch marked DC2/E, (RMW/G79 - McVitie Weston number), by British Thomson-Houston Company Limited.
Mazda valve, type DC2/SG, pinch marked DC2/E, (RMW/G79 - McVitie Weston number), by British Thomson-Houston Company Limited.