The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 284
s own spur tracks from the Southern Pacific main line, tothe damsite and dumped into bins directly over three different size M. &G. belt conveyors formerly used to carry the rock, sand and cement sep-arately, but now all used for gravel. The belt conveyors are fed with gravel from the oiienings… … The sacks of cement are also carried from cars on belt conveyors tothe mixiny hi_mse where five one-yard mixers of the revolving drum typeare kept in constant operation which discharge the mixed concretedirectly onto a h;irizontal belt conveyor traveling at a speed of some 400feet per minute. This…
Architecture · Building
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