Handbook of construction plant, its cost and efficiency (1914)
Dana, Richard Turner, 1876-1928 · Chicago, The M. C. Clark Publishing Co. · leaf 278
re as follows: Ball drills, 7 ft. long, 8 lbs. weight,$2.85 each. TABLE 108—MISCELLANEOUS DRILLS Each %-in.x 8-in $0.30 %-in.xl0-in 35 %-in.xl2-in 40 %-in.xl4-in 45 %-in.xl6-in 60 %-in.xl6-in 70 l-in.xl6-in 75 Net price for drills is as follows: Stone drills, 1 and 1%-in.octagon steel, 2 to 6 ft.… … Fig. 95. 274 HANDBOOK OF CONSTRUCTION PLANT ELECTRIC GENERATORS An electric light plant with generator driven by a gas engineof special design has the following specifications:Direct connected sets: TABLE 109 R .5 g S>s k~ a So eg c& p^ C n -rt oj ^ . ^n H 2 £J °~ S3 -3 °0 <H g £ji ^ «w m…
Contractors' operations · Building
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