This 19th century printing of Leonardo Da Vinci's studies of water was acquired as part of the William Barclay Parsons collection. Parsons served on the Library's Board of Trustees, but was also chief engineer of the New York City subway system. He collected widely on engineering.
Content: Also issued in Raccolta d'autori italiani che trattano del moto dell'acque, Bologna, 1821-26, v. 10. This copy apparently consists of the same sheets, except for the t.-p. and editor's introduction.