Will The Modern Steel-frame Buildings Endure?

Some architects are still afraid of the Chieag'O method, as the steel ca.se oonstractioin is called, and lean heavHy when they caa om tlieir masonry, but io.v the loïty tower on a smnll base tihe steel cage is inevitable. No one can teil h'OW lO'ng it will sta,ad the test of time. There are 1,950 toos of steel In a building 370 feet high, wliich -n-eighs in all 15,000 tns, and Uhe metal will surely cirrode ; but hjow lomg büfore its sustaining stremgth. will toe vitiated to the danger poiiït is a questioia thiat one can answer ampirically, and tne present generation oif buiUlers is not likely to koow how well or how badly it tas