McVitie Weston valve collection, BTH valve, type B.5.H
- Made:
- 1926
BTH valve, type B.5.H, (RMW/C72 - McVitie Weston number), by British Thomson-Houston Company Limited, 1926.
BTH valve, type B.5.H, (RMW/C72 - McVitie Weston number), by British Thomson-Houston Company Limited, 1926.