Following construction, the original lock walls settled and began to lean out of alignment, so a replacement lock was built.

The lock walls are not brick, but of wood.

The lock walls and sea wall are constructed of cut limestone blocks.

He was working on the lock walls in December 1802, and had moved his family to Mile End by this date.

Tops of the old lock walls become visible during low water periods on the river.

To empty the chamber a large hole through one lock wall, and a wooden sluice was used.

This is a big help when you are lining up against a lock wall.

They close by rotating out from the lock wall and meeting in the centre of the chamber.

Captain Bob shouted as he brought the boat in to the lock wall.

The lock walls can still be seen behind the car wash.