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Scientific American, Vol. 67, No. 18 (1892) (1892)
leaf 7
a cast was obtained. The seat 250,000 spectators; but these edifices were not terial used is steel, the contract calling for the use of the best materials, subject to severe tests. Contractors, roofed over, and the construction easy and simple, as reason of the failure appears to have been the… … THE WORLD'S COLUMBIAN © 1892 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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