Illinois Society of Architects · Chicago · leaf 302
tion of the column may be calculated incolumns reinforced with vertical rods only.In buildings classed as slow burning or millconstruction, the outside one and one-halfinches shall not be figured in columns re-inforced with vertical rods only, and inbuildings classed as fireproof constructonthe… … >nir -• l-iv.l 1\ WnrivnKvanston. 111. licuiniild D. .Tnlm^r.n. ArrhitrotIasa.lfiia, Calif. ROBERT BLACKCOMPANY Bui/ding Contractors •♦4S- -U++- FACTORIES, WAREHOUSES, INDUSTRIAL,HIGH GRADE RESIDENCES, AND REMODELLING. •++J( . tjf+- 122 South Michigan AvenueCHICAGO Phones Wabash 3440-3441 302…
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