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
Fig. 5:5. Various Sized Jets from Small Doble Needle Regulating Nozzle. and decrease the flow. The governor then raises the nozzle to accommodatethe decreased flow of water (and consequent decrease of power), and the nozzleis then brought back to the position of greatest efficiency, having, at the… … RS I