The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 465
hed by means of gravity.There arc two crushers to handle the bowlders and rocks that are too large forcommercial purposes and reduce them tocrushed rock of a proper size—a disc-crusher of a capacity of seventy tons perhour that handles all that will pass througha 4-inch opening, and a gyratory… … The Architect and Eiiiiiicci- 127
Architecture · Building
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