OLIS, MINN. Branch Offices:Winnipeg: 1004 Lindsay Bldg. New York City: 30 Church St. Danville, Va.: First National Bank Bldg. Chicago: 5 South Wabash. Columbus, Ohio: 502 Commercial Bldg. New Orleans: 909 Union St. Main Canadian Office; Tenth Floor, Lindsay Bldg., Winnipeg, Man.Philip L. Baker,… … Finished IntBriok—Musiihoum Svstbm. Inventor and Patentee of the Mushroom System of Reinforced Concrete Construction, thepractical Flat Slab supported directly on columns without the intervention of beams.Consulting Engineering Work: Bridges, Buildings and Dams. Advantages. (1) The floor slabs are…
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