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 1396
Fig. 39. Average depreciation of standard bucket conveyorshandling fine coal in pivoted buckets, spaced 30 inches. LENGTH OF CONVEYOR-SUM OF VERTICAL AND HORIZONTAL TRAVEL(H* DTNONE DIRECTIOIi INFEET50 100 150 200 250 300 350 400 450 500 550 60q,.„» , … Fig. 40. Average depreciation of standard bucket conveyorshandling fine coal in pivoted buckets, spaced 36 inches. Test of Motor-Driven Coai-Conveyor System. L. A. Quajle inPower, March 7. 1916, gives the following test on the coal andash conveyor installed at the Fairmount pumping station,…