alternating system
Where circular alternate with compound Romanesque piers, as in Durham Cathedral, this is termed an alternating system. Photo from Cathedral Basilica of the Sacred Heart, Newark, New Jersey, 2019. (Curl & Wilson, 2016)
Where circular alternate with compound Romanesque piers, as in Durham Cathedral, this is termed an alternating system. Photo from Cathedral Basilica of the Sacred Heart, Newark, New Jersey, 2019. (Curl & Wilson, 2016)