Open-pan salt making from lead using wood as a fuel. In Britain they established towns for salt production at Droitwich in Worcestershire, and Nantwich, Middlewich and Northwich in Cheshire. In the early Middle Ages these developed into the 'wich' towns of Cheshire. Small 'wich' houses containing several lead pans to evapourate the brine into salt, clustered around brine springs within each of the towns. The open-pan process continued largely unchanged throughout the medieval period. A 17th-century German wood-cut by Georgius Agricola shows the process in detail. Excavated evidence has uncovered wooden rakes to draw salt crystals to the side of the pan, and
Northwich were united as the civil parish of Northwich, served by Northwich Urban District Council. The town was further enlarged in 1936 by the addition of parts of Winnington, Lostock Gralam, Barnton, Leftwich and Rudheath, and again in 1955 when parts of Davenham, Hartford, Rudheath and Whatcroft were added. The Local Government Act 1972 replaced the Urban District Council of Northwich with a new district (later borough) council: Vale Royal. Vale Royal covered areas previously covered by Northwich UDC (Urban District Council), Northwich RDC (Rural District Council), Winsford UDC and parts of Runcorn RDC. Northwich Town Council now has the powers