The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 233
system from 7 degreesto 45 degrees, dropped vertically 120 feet into a hopper and re-distributed.The best angle and the one now used by engineers is that of 18 degreeswith the horizontal. The rate of flow of concrete was determined for practical reasons byMessrs. Uhden and Turner, engineers of the… … i ^WW^Tf^-^^^
Architecture · Building
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