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A History of Engineering in Classical and Medieval Times
Donald Routledge Hill
Anteprima limitata - 1996
Al-Istakhri aqueducts Arabic arch axle bridge building built called canals carried centre century channel Chapter clock communities complete consisted construction course described devices discharge early Egypt Empire engineering Europe evidence example feet Figure float flow follows gears given Greek History hole horizontal hydraulic important Iran iron irrigation Islam Italy known later London lower machines masonry material means mechanical medieval mentioned method metres Middle Ages mills moving Muslim needed noria operated origin period pipe placed plate possible probably problems reference remains river roads Roman rotation says side similar soldered sources Spain stone structure tank techniques timber treatise turned University upper usually vertical Vitruvius wall water power water supply water-clocks weight wheel wide writers