If we miss one link, it could repeat the original lock.

The original narrow locks, replaced by three wide beam ones in the 1930s, are still there alongside.

The original locks were bypassed but left in place.

He'd had no trouble cutting the padlock off, but the original lock was proving to be more difficult.

The original locks were built about 1850 and rebuilt between 1887 and 1900.

The original lock continues to work with traditional keys.

Increasingly the difference between the canal and the river became less obvious, although it is still possible to identify remains of the original locks.

The key was then returned to the original lock without the knowledge of the guards.

This is numbered 8/9, because it replaces two original locks.

The original lock and dam were built between 1905 and 1907.