Abstract: This paper consists of a running commentary on outstanding contributions to hydraulics by writers from the past two centuries, beginning with a letter from Benjamin Franklin on canal‐boat resistance and ending with several ...

Abstract: Ludwig Prandtl's 1904 paper “Ueber Flüssigkeitsbewegung bei sehr kleiner Reibung” is generally considered to have marked the beginning of fluid mechanics. By chance, it appeared at the time that human flight was attracting ...