The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 474
lied by itself, too hard in fact, so that it was necessaryto use other materials that had an affinity for it. that would control it andnot allow it to acquire its surface hardness before the hardening action inthe pores of the concrete had taken place. Thus it is sometimes threemonths before Liquid… … 108 The Architect and Engineer make of clainp-proofing- that is liandled in your territory and a]jply a blow-torch to it. If it burns, it denotes the presence of animal or vesetahle mat-ter. If the ash is black—animal. If the ash is white—vegetable. If itwill not burn, it will withstand the action…
Architecture · Building
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![An illustration from Current architecture: published in connection with a joint exibition [sic] held in Boston November 1916 (1916)](https://img.insideoutlibrary.com/img/200/ia-currentarchitect1916bost-100-156.webp)
