The Dutch also had substituted cylinders armed with blades in place of stampers and used their windmills to run them. 威廉·亨利·杜利特.世纪发明.
One sees dotted over the country windmills large and small, and in Holland, the country of windmills, the landowner who does not possess a windmill is poor indeed. 伯莎M.克拉克.科学通论.
In windmills, the sails are of wood or steel, instead of paper, but the principle is identical. 伯莎M.克拉克.科学通论.