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 1367
ZO JO 40 50 60 70 80 30TRAVEL OrTRIPPrR(LEMGTHOFTRACK) IN FEETAverage Cost ofAutomatfcTraveJmq Trippers 100 … 20 30 40 iO GO 70 60 90TRAVEL OF TRIPPERaEMGTH OF TRACK) IN FEETAverage Cost of Hand propelled TrippfersAverage Cost of Fixed Dumps 100 ^|70 #.40 < IZ 14 16 16 ?0 21 24 Z6 ?8 50 32 34 36WIDTH OF BELT IN INCHES C Average cos)in dollarsw ■ tVidflj of bell m inchesLt-L enqth of tripper irack m feet…
