Illinois Society of Architects · Chicago · leaf 462
-^7---^ in _ - - - - _ !l … WETZEL IRON WORKS 3345-69 W. Grand Ave.. Chicaio Hclmont 1960-1961-1962 462 FIELD CONTROL OF CONCRETE By COL. H. C. BOYDEN, Dean of Engineering, Ohio Northern University, Ada, Ohio The art of making concrete is centuriesold and samples of the early product are inexistence today still performing-…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.