Inbāṭ al-miyāh al-khafīyah. انباط المياه الخفية

Kislak Center for Special Collections, Rare Books and Manuscripts, LJS 399. 1674. 17th-century copy of 11th-century treatise on hydraulics and groundwater supply, including information on the construction of subterranean tunnels for irrigation systems. Penn Libraries Catalog: go to Find