Keywords: along the rivers alongtherivers buildings marchs pantz35 plaques signs & inscriptions signsinscriptions walls norwich tz35 openplaques:id=8108 text round circle The Boom Towers were built in 1344 to defend the approach to Norwich by water. The use of a chain across the water, between the two towers, controlled river traffic and prevented the unauthorised entry of vehicles. The eastern tower is known as the Devil's Tower. Near Carrow Road, Norwich The Boom Towers were built in 1344 to defend the approach to Norwich by water. The use of a chain across the water, between the two towers, controlled river traffic and prevented the unauthorised entry of vehicles. The eastern tower is known as the Devil's Tower. Near Carrow Road, Norwich |