Hydraulic engineering; a practical treatise on the principles of water pressure and flow and their application to the development of water power, including the calculation, design and construction of water wheels, turbines, and other details of hydraulic power plants (1909)
American School (Chicago, Ill.), Black, Adolph, Turneaure, Frederick Eugene, 1866- · Chicago American School of Correspondence · leaf 157
RS I … Such a device is essen-tial where water is vakiable,and where economy is neces-sary to carry over the peakload. The needle portionneed not necessarily beoperated by an automaticdevice, but may be con-trolled by hand, and thesame results obtained, al-though necessarily in alonger period of time.…
