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 358
,and the cost per kilowatt-hour of each will increase. In each case,however, there is a certain critical point to which the firm pur-chased power line may be raised before the total cost (whicli isof prime importance) of combined purchased ])ower and steampower will commence to increase. In raising… … Fig. 196. Method of Plotting Costs per Horse-Power per Year in Terms of Load Factor,and Raie per Horse-Power per Year. At B B IS shown the total load line, including the long-distanceload, of the same company. C C shows a railway load, the shadedportion of which is carried by the railway companys…
