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Scientific American, Vol. 75, No. 13 (1896) (1896)
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so lattice girder; but to connect the chain this did not give suf- with the roadway ficient stiffness to frame that each half permit of the passage formed a rigid beam, of railway trains at hung from one end any but a slow rate on a pier and hinged of speed. at the center to its About 1856 a rail-… … © 1896 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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