A circular tower. Drum towers were common features of castle architecture and were often built, with connecting sections of curtain wall, to form the outer perimeter defenses of the castle.
Pictured right is a drum tower at Bodiam Castle
Drum Tower
Sussex Castles
A website dedicated to the to the history of Sussex from the time of the Romans to the age of castles
Sussex Castles web site © Richard Bird 2011 Historical Sources and References