The wonders of modern mechanismA résumé of recent progress in mechanical, physical, and engineering science . phStreets, Chicago, has twenty stories, and rises two hundredand seventy-four feet from the street level. It has four-teen elevators. The Reliance building, corner of Washington and StateStreets, Chicago, has sixteen stories, and is a trifle overtwo hundred feet in height. The Ames building in Boston measures one hundredand eighty-six feet from the sidewalk to the top of thecornice, and has thirteen stories. It is the tallest of itskind in New England, and cost about nine hundred thou-
The wonders of modern mechanismA résumé of recent progress in mechanical, physical, and engineering science . phStreets, Chicago, has twenty stories, and rises two hundredand seventy-four feet from the street level. It has four-teen elevators. The Reliance building, corner of Washington and StateStreets, Chicago, has sixteen stories, and is a trifle overtwo hundred feet in height. The Ames building in Boston measures one hundredand eighty-six feet from the sidewalk to the top of thecornice, and has thirteen stories. It is the tallest of itskind in New England, and cost about nine hundred thou-sand dollars. It is difficult to form an opinion as to how much higherthe big buildings of the future may rise, but it may besafely estimated that thirty- or even forty-story buildingsare to be expected within a score of years, and that it ismechanically possible to erect steel buildings a fifth of amile in height, the only serious objection being the advances would be no more surprising for the closeof the twentieth century than the fact that fifteen buildings, 24 WONDERS OF MODERN BIG BUSINESS BUILDINGS. 25 ranging between ten and twenty-three stories, were begunin New York City during the year 1894, a year of generalfinancial depression. Some reference to the dimensions of the EiflPel Towerseems appropriate here for purposes of comparison, since itwas the first large iron structure ever attempted, and openedthe eyes of architects and builders to what was possiblewhere steel or iron is substituted for stone. The towerconsists, essentially, of a pyramid composed of four greatcolumus, independent of each other, and connected togetheronly by belts of girders at the different stories until thecolumns unite towards the top of the tower, Avhere theyare connected by bracing. There are four independentfoundations, each standing at one angle of a square, aboutthree hundred feet apart measuring from centre to jiiers are built upon beds of concrete se
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