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 298
11 feet in extremelength, and 4 feet ininternal diameter.It has an air-valveon top, and gauge-glasses on the side.The tapering por-tion is fitted withthirty spring relief-valves, set in threegroups, having (i-inch opening.3 andset to open at a pres-sure of 100 poundspersquare inch (Fig. The… … Fig. 1C8. Kelii-f-Valves on Knd of Penstock. 208 WATER-POWER DEVELOPMENT