Illinois Society of Architects · Chicago · leaf 297
Holabird & RocheUniversity of ChicagoJohn Griffiths & Son Co.Geo. A. Fuller Co.Marshall & FoxBulley & Andrews OFFICE: Main 2722 WORKS. BCULEVASD 21 20 FEDERAL-IRON -WORKS STRUCTURAL and ARCHITECTURAL IRON807 STOCK EXCHANGE. 30 N. LA SALLEWORKS: 3545-5 5 SHIELDS AVE.. CHICAGO 29(3… … 90 /OO /./O /?& /JO /</(? /SO /60 /70 reduction of cement and water in the batchto much lower limits than are now practic-able. The above considerations show that thewater content is the most important elemeniof a concrete mix, in that .small variationsin the water cause a much wider…
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