Aerodynamics. Fluid Dynamics. Mechanics. Fluid-dynamic Practical Information on Aerodynamic Drag and Hydrodynamic Resistance is the Second Edition with a Forward by Walter Diehl dated August 1957 published by the author in 1958 with a dust jacket. Chapters Skin Friction Drag; Pressure Drag; Wind forces on structures; surface irregularities; Drag of Streamline shapes; Drag due to life; Interference Drag; Internal-flow systems; Hydrodynamic Drag; Water-Borne Craft; Land-Borne Vehicles; Aircraft Components; Complete Aircraft; Influence of Compressibility; Drag at Transonic Speeds; Drag at Supersonic Speeds; Drag at Hypersonic Speeds, and Drag at High Speeds Affected by Viscosity and Rarefaction. There is an Alphabetic Subject Index.