Cap with sales can be rotated by rudder to catch optimal wind. This windmill uses a paternoster pump, named for its resemblance to a rosary. Also known as a "rag and chain" pump or a "rubber bucket chain" pump.
Ramelli, Agostino. “Plate 73: Windmill for Drawing Water from a Well.” In Le Diverse Et Artificiose Machine Del Capitano Agostino Ramelli. Paris, France, 1588. https://digital.sciencehistory.org/works/kd17ct10k.