The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 556
SIIAKIXG SCREE.V AND WASHING PROCESS The Architect and Engineer Track Cable Traction Rope … flaws and microscopic cracks that may be a menace to the concrete.The gravel particles are of spherical shape, the angles having been wornoff and thus contain less voids, there being no arching effect from angu-lar ends interlocking. The fact that the California Iluikling Material Comjianys gra\el…
Architecture · Building
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