Text stone in the brick wall of the Southern lock : 'Om uyt telaeten het binne-waeters gewelt Zij Ick hier van Dickgraef en Heemraeden gestelt'. The text in old-Dutch says : 'To keep out the violence of the backwaters, I am placed her by the dikegraaf and heemraden' - Southern lock, seaside south. ."Noorder- and Zuidersluis (Northern and Southern lock) in Schardam: over 700 years old. The Noorder- and Zuidersluis date back to the 14th century. At that time, these were still completely wooden constructions. In the 18th century the side walls were replaced by stone walls." [source: wikipedia] . .Schardam, West-Friesland, North-Holland, the Netherlands