BTH valve, type A
BTH valve, type A, marked 62205, pinch marked 'a', (RMW/B73A - McVitie Weston number), by British Thomson-Houston Company Limited.
BTH valve, type A, marked 62205, pinch marked 'a', (RMW/B73A - McVitie Weston number), by British Thomson-Houston Company Limited.
BTH valve, type A, marked 62205, pinch marked 'a', (RMW/B73A - McVitie Weston number), by British Thomson-Houston Company Limited.