Bereguardo Canal

Bereguardo Canal, historic canal in Lombardy, Italy, the first canal in Europe to use a series of pound locks (locks with gates at both ends) to overcome a large change in elevation. The Bereguardo Canal was one of a series of canals built around Milan in the 15th century that resulted in important improvements in lock design. A single lock (also known as a staunch lock) with vertically lifting gates had been built in 1438...