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 1375
n, the cost of the ordinary standard typefoliow^s a fairly well defined relationship, which is expressed bythe general formula given on Fig. 13. The curves of the chartplotted from this formula for-cibly indicate the low initial cost ofthis type of equipment — a few hundred dollars for any… … 100 5 10 15 20 25 30 55 40LENGTH OFCONVEYORIM FEET Fig. 13. Average cost of screw conveyors. Though cheap in first cost, the depreciation of screw conveyorsis more rapid than that of almost any other type of conveyor —the propelling screw revolving in the midst of the load is sub-jected to a very…
