1. General Information 2. Flow in Straight Tubes and Conduits: Friction Coefficients and Roughness 3. Flow at the Entrance into Tubes and Conduits: Resistance Coefficients of Inlet Sections 4. Flow Through Orifices with Sudden Change in Velocity and Flow Area: Resistance Coefficients of Sections with Sudden Expansion, Sudden Contraction, Orifices, Diaphragms, and Apertures 5. Flow with a Smooth Change in Velocity: Resistance Coefficients of Difftisers and Converging and Other Transition Sections 6. Flow with Changes of the Stream Direction: Resistance Coefficients of Curved Segments-Elbows and Bends 7. Merging of Flow Streams and Division into Flow Streams: Resistance Coefficients of Wyes, Tees, and Manifolds 8. Flow Through Barriers Uniformly Distributed Over the Channel Cross Section: Resistance Coefficients of Grids, Screens, Porous Layers, and Packings 9. Flow Through Pipe Fittings and Labyrinth Seals 10. Flow Past Obstructions in a Tube: Resistance Coefficients of Sections with Protuberances, Trusses, Girders, and other Shapes 11. Flow at the Exit from Tubes and Channels: Resistance Coefficients of Exit Sections