Illinois Society of Architects · Chicago · leaf 428
AmericanI urnitureMart STEEL insures strength and securityDUFFIN IRON COMPANY STRUCTURAL STEEL GENERAL Offices tND WORKS: ^83V-55 SO. KEDZIE AVE. phone LAFAYETTE 0732 SALES OFFICE: RooM S90. 37 W. VAN BUREN ST. phone Harrison esi3-i4 CHICAGO. ILL. … l:.N rivets. The finished slianii sliall be longenough to provide full bearing-, and washersused under the nuts to give full grip whenturned tight. Unfinished bolts may be used in shop orfield work for connections In small structuresused for shelters, and for secondary membersof all structures such…
Architecture · Building · Architects
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