Illinois Society of Architects · Chicago · leaf 425
d that this will be the most common.An understanding of the steps required, forthe solution of this particular problem willserve in the solution of others. * See Bulletin 9—Structural Materials Re-search Laboratorv, Lewis Institute, Chicago,1921. 433 UNION FOUNDRY WORKS General Office 1427 First… … Approved by Underwriters Laboratories, Inc. Castle Die Pressed Steel Stair Treads. Sub-Treads for Concrete Filling.Castle Star Steel Post-Caps and Caps made to Your Order. Post-bases—Wall-boxes—Wall plates, Hangers, Stirrups, Anchors, etc.Also Pressed Steel Stringers. BUILDING SPECIALTIES DEPT. A.…
Architecture · Building · Architects
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