and Tottenham was gradually rebuilt to take 100-ton barges.

Lea Bridge Lock remained in operation until 1853, when it was demolished. It was replaced by Pond Lane Lock, which was built in 1865 at Cow Bridge, about halfway between Lea Bridge and Homerton Lock. Seven years later, the navigation was rebuilt so that it was level from Tottenham to Old Ford, and the lock was then redundant, but was retained to help protect the navigation below it in times of flood. It was removed in 1931, when it was superseded by a new structure with vertical