San Francisco, Calif. : Architect and Engineer Co · leaf 520
Ftg. 4. Testing Concrete Blocks … Itg. 5. Testing hxrcproofing Qualities of Concrete 40 The Architect and Eui^inecy of California l)eing- removed hv the obtainmcnt and publication of reliable data regardin-thismaterial. \\ithout doubt, in a very few years, when most of th.,principles underlying the use of concrete and reinforced…
Architecture · Building
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