Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 169
3,000. The cost of repairs given below is for newparts and does not include the labor of making repairs. First Year $1,900.00 Second Year 600.00 Third, Fourth and Fifth Years 1,400.00 Total for Five Years $3,900.00 Average per Year $780.00 The 1/4 in. steel plates have been replaced about twice a… … Fig. 75. Symons Disc Crusher. ing the tailings of gyratory crushers and for breaking gravel orboulders. It can be quickly adjusted to crush any size of productbetween ^^ in. and 3 in. The crushing is done by the two discs of manganese steel,which are dish-shaped and are set with their hollow sides…
Contractors' operations · Building
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