Illinois Society of Architects · Chicago · leaf 448
STEEL insures strength and securityDUFFIN IRON COMPANY STRUCTURAL STEEL GENERAL OFFrCES AND WORKS: 4837-55 SO. K E DZI E AVE.SALES OFFICE: RoOM 990, 3~7 W. VAN BUREN ST. CHICAGO, ILL. PHONE LAFAYETTE OV32PHONE HARRISON B813-1-<* Tons … MitiTGate l.cick llliii...^ I livisiiiu of W atcrw.-iys Stale 4-18 rivets. The finished shank sliall he 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…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
