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 1411
ith 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 conveying .equipment of $85,000 and a con-veying operating charge of 0.25 cts. per ton, the total handlingcost per… … HIOH MEDIUMCOMPARATIVE HOISTING SPEEDS LOW Fig. 44. Lifting capacity of standard overhead electric cranes,at high, medium, and low speeds. 1388 CONVEYORS, HOISTS, CRANES, ELEVATORS 1389 electric cars; the cars discharge their load along a travelingstocking bridge or directly to other cars at the…