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 1410
ent serving the plant, or thecoal may be stored in piles along the elevated trestle upon whichthe cars run. The average cost of operating this system, based onhandling 1,200.000 tons of coal per year, that is 750 tons per hr.for 160 ten-hr. days, is less than 3 cts. per ton. The figures usedto… … jffoisting Towers[2S0 Tons per Hr Plan Figs. 42 and 43. Fig. 42. Traveling hoisting towers, steam operated, with car trestle. Fig. 43. Traveling hoisting towers with traveling bridge and reclaiming tower. of $160,000, and an unloading operating charge of 0,7 cts. per ton;a first cost for the…