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 272
g midsummer, the heat of the suns rays acting on an WATER-POWER DEVELOP:\rEXT 181 empty penstock will often injure the paint, cause it to blister off, andperhaps overstrain the penstock itself; and a covering will thereforeprove an advantage both in cold and in hot weather. Even in a well-protected… … Fig. 137. Redwood Stavepipe under 160 Feet Head, Santa Ana Canal, Califoi-nia. erable to bury the penstock below the frost-line, like the water mainsin a city street. A buried penstock is free from the bending strains occasionedin a penstock carried on piers by reason of the length between thepiers…
