San Francisco : Architect and Engineer, Inc · leaf 400
re ofproper proportions and consistency is used.Moderate rodding of a plastic concretewill result in good, clean casting. Exper-ienced contractors are realizing that itcosts no more to place concrete by carefulmethods than by methods which result inunsatisfactory work. If it is necessary tostop…
Architecture · Building
Internet Archive · Public Domain Mark 1.0. Free to use for anything.