Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 288
ting gradersloading into dump wagons at 500 cu. yds. per day, and estimatesthe interest and depreciation as 20 per cent of the first costdistributed over 60 working days per year. The author hasfound that the life of a grader is from 5 years to as much as 12years when the grader is well cared for.… … Fig. 99. Ajax Center Crank Engine on Skids ENGINES 285 TABLE 114—STEAM ENGINES—I Prices and sizes of simple center crank engines, without boilers,are: Price. H. P. Bore. Stroi^e. R. P. M. Weight 1116 4 41/2 6 225 750 lbs 127 5 5 6 215 S25lbs 142 6 51/2 8 200 1,270 lbs 153 8 61^ 8 200 1,300 lbs 173…
Contractors' operations · Building
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
