caracole
A circular stair whose treads travel around, and are attached to, a central newel. Photo from Johnson Museum of Art, Cornell University, Ithaca, New York, 2023. (Phillips, 1994)
spiral stair
A circular stair whose treads travel around, and are attached to, a central newel. Photo from Johnson Museum of Art, Cornell University, Ithaca, New York, 2023. (Phillips, 1994)