sentences:  It stood apart from the main city walls, close to the river where its height would have allowed it to fire onto the higher ground opposite the city.The tower was designed to hold a garrison when required and was well furnished, probably using different floors for dining and sleeping.It was maintained throughout the 15th century, and played a role in Kett's Rebellion of 1549, when the rebels attacked Norwich, deploying artillery and damaging the tower's parapets.