The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 271
chiefly of old cinder piles.There it was the universal custom, whenrunning a pipe through that made land,to imbed it in about 1 square foot areaof yellow clay, so as to protect it fromcorrosion due to the sulphur in the cin-ders. I do not think that pipe shouldbe laid in cinder concrete unless it… … originally coated with an asphaltumcompound, but they were simply hone}-combed, and it seems to be the opinionof many that free acid in the cement, inaddition to the sulphur in the cinder,was the corroding influence. Apartments in Portland The coming season promises to be theheaviest building…
Architecture · Building
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