A clean, unmarked copy with a tight binding. 209 pages. Many photos and technical diagrams. Full green cloth covers. Previous owner's name inside. Contents: Water Power Devlopment; The Fundamentals of Water Power Study; Analyses of Data; Hydraulic Turbines and Their Preliminary Selection; Dimensions of Water Passages and Powerhouses; Appurtenances for Hydro Plants; Economic Aspects of Hydroelectric Development; Hydro-Steam Association; Problems; Index.