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 1459
galvanized steel wire, spirallywound under heavy tension and embedded into the wood. Thecasing was qoate^ With asphaltum-pitch. 1436 MECHANICAL AND ELECTRICAL COST DATA TABLE 11. COST OF MAINS TO WILKES-BARRE, PA.,COMPANY Size, ins. Pavement 10.10.12.14,16.20.24.18 Brick Asphalt . .• Asphalt… … 4 6 8 10 12 14 Hundredths of a Pound of Steam J)}fference in Line Loss per Square Foof ofUnderground Main Surface per HourFig. 5. Value of efficient insulation. HEATING, COOKING AND VENTILATING 1437 The costs g-iven in Table II were subdivided as follows: Length of main, ft 10,761 Repaving…