McVitie Weston valve collection, Mazda valve, type SP1320
- Made:
- 1939
Mazda valve, type SP1320, marked DUMMY, one pin clipped, (RMW/Y167 - McVitie Weston number), by British Thomson-Houston Company Limited, 1939.
Mazda valve, type SP1320, marked DUMMY, one pin clipped, (RMW/Y167 - McVitie Weston number), by British Thomson-Houston Company Limited, 1939.