San Francisco : Architect and Engineer, Inc · leaf 91
reached with treatments or coatings that would tend to pro-long their useful life. It is therefore impracticable to maintain indefinitelybuildings whose vital parts are subject to rust or rot. Concrete grows stronger with age. Many city building departments recog-nize this by allowing greater loads… … VHliiinMMiiiiRaB,Miniiiiiiiiniiiiiiiiiiii wK Wk »■ B WW BilPliwillBI
Architecture · Building
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