This lock is said to be the oldest example of a pound lock in Europe.

The locks were converted to the more conventional pound lock.

The pound lock was built in August 1787 from oak.

The pound lock opened in 1778, but the lock house, long promised, was not built until after 1819.

The pound lock was the fourth downstream in the series of locks built after the 1770 navigation act.

The first proposed location for a pound lock in 1811 was across the bend at the present recreation ground.

It was the first summit level canal using pound locks in Europe.

In 1667 occurs the first reference to a pound lock underneath this mill.

A pound lock was first proposed in 1817, but never built.

The weir was rebuilt in 1885 but its replacement by a pound lock did not happen until 1928.