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Scientific American, Vol. 71, No. 23 (1894) (1894)
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illages as already described. a very deep plate girder is established, which rests on two sets of steel billets, each set placed approximately over the center of a piertop. The inner end of the canti- lever is held down by massiveiron straps. Its outer end projects for several feet beyond the steel… … The building is 303 feet high from the street to the The American Surety Building. THE STEEL FOUNDATIONS OF TALL OFFICE BUILDINGS. © 1894 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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