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 922
iven for each size. Regarding the construction of these polesH. L. Weber, chief engineer of the road, writes: The cost of constructing concrete poles depends so much uponthe location of the materials with respect to the points where thepoles are to be erected that general figures are difficult to… … r ^ 1 ^ i J 1 J^ <i d t- 1(1 ¥ T Enq-contr Y^AcP a o Q a ^yn-zoo a uys-ioo D qya^200 o ^h-ioo- a Q y„-too Q a a a a D o a L ?^4 0