Show america leads in cement use although portland cement wax was pat bated by hr mr A abdin an english engineer and reinforced concrete Is credited to a frenchman america bai has made the most uso usa of them the manufacture of portland cement box men wen brought to uie the highest tate state of perfection in this thi country and our use of concrete now ranges from the watering trough to the panama canal use of cement has made bib the repressive architectural effect of vast and lofty interiors Inter iora unencumbered by pier piers and co lurnes |