Illinois Society of Architects · Chicago · leaf 374
distortion. The result is that the steel joists do nothave to be protected against temperatures 373 O. H. HILL COMPANY FIRE DOORS and SHUTTERS II !:{llli!lllllllllllllllllllllll Underwriters Labeled MEAKER Elevator Doors SIDEWALK DOORS 2253-2259 ST. PAUL AVENITH PHONE HUMBOLDT 5412 CHICAGO --■■ If… … - -. 15} 91 i 3 mm SB fR na sn 3! S as SB! ill Drake Hotel Chicago 2.^-25 South Western Ave. CHICAGO, ILL. 374 around 700 to SOO degrees, but should be pro-tected against temperatures exceeding 1,200degrees in order to maintain sufficientstrength to carry the loads super-imposed onthe floor. Fire…
Architecture · Building · Architects
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