McVitie Weston valve collection, Mazda valve, type L21DD
- Made:
- circa 1935
Mazda valve, type L21DD, marked DUMMY, 5-pin base with one pin clipped, (RMW/Y229 - McVitie Weston number), by British Thomson-Houston Company Limited, c. 1935.
Mazda valve, type L21DD, marked DUMMY, 5-pin base with one pin clipped, (RMW/Y229 - McVitie Weston number), by British Thomson-Houston Company Limited, c. 1935.