The World's Columbian exposition, Chicago, 1893 . MINER—ENTRANCE TO MINES BUII^DING.(/?. IV. Bock.) MINES. 241 two rows at the side of huee steel cantilever trusses. This Is thefirst example of the successful application of the cantilever systemto roofs, and may be said to mark an era in roof construction. Ahalf million pounds of steel were required for this work. A spa-cious gallery sixty feet wide extends entirely around the building,greatly increasing the total available floor space. Illumination isprovided by extensive glazed roof sections, and at night by a full. VIEW IN MINING BUII<DI
The World's Columbian exposition, Chicago, 1893 . MINER—ENTRANCE TO MINES BUII^DING.(/?. IV. Bock.) MINES. 241 two rows at the side of huee steel cantilever trusses. This Is thefirst example of the successful application of the cantilever systemto roofs, and may be said to mark an era in roof construction. Ahalf million pounds of steel were required for this work. A spa-cious gallery sixty feet wide extends entirely around the building,greatly increasing the total available floor space. Illumination isprovided by extensive glazed roof sections, and at night by a full. VIEW IN MINING BUII<DING—SOUTH END. SHOWING PA. COAI. SHAI^T ON I,EET. complement of arc and Incandescent lights. Every form of power,steam, electric and compressed air, Is distributed at convenientpoints. At first glance the marvellous exhibits spread upon the floor areboth bewildering and fascinating. Booths and pavilions, obelisks!and trophies, shields, bunting and flags, all appear in a profusionthat captivates and at the same time Invites the curious to closerinvestigation and study. Looking down the avenues of this small 16 242 MINES. city of exhibits the eye is arrested by a number of lofty trophiesin metals, and at the centre of the buildinor stands a needle of an-thracite coal. In various localities arc lesser pyramids and obe-lisks of mineral that ohsten in the sunlio;ht. Flagrs and otherdecorations give a lightness and gayety to the scene that relievesand sets off the solidity of the materials displayed. These avenuesfollowed to the centre are seen to mark by their int
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectworldscolumbianexpos
