Delph Locks or the Delph Nine are a series of eight narrow canal locks on the Dudley No. 1 Canal in Brierley Hill, in the West Midlands, England. They were opened in 1779, and reopened in 1967 followi

Thomas Dadford Jr. was an English canal engineer, who came from a family of canal engineers. He first worked with his father in the north of Britain on the Stour and the Trent, but later independently