Handbook of mechanical and electrical cost data, giving shipping weights, capacities, outputs, and net prices of machines and apparatus, and detailed costs of installation, maintenance, depreciation and operation, together with many principles and data relating to engineering economics (1918)
Gillette, Halbert Powers, 1869-, Dana, Richard Turner, 1876-1928, joint author · New York, McGraw-Hill · leaf 755
reases almost as the square ofthe diameter placing the other limit of the exponent at 2. Betweenthese two values, the variation is shown to be as represented byFig. 10. These results were obtained by plotting actual cost ofpipe as in Fig. 8 and are sufficiently accurate for application topractical… … of any one pipe line should not vary throughout its length except-ing for moderately high heads, we are justified in using a singlevalue of 1.5 for all heads between 50 ft. and the greatest headfound practical for stave pipe. It is the writers belief that an investigation involving theseexponents…
