
The Strains Upon Bridge Girders and Roof Trusses: Including the Warren, Lattice, Trellis, Boqstring, and Other Forms of Girders, the Curved Roof, and
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The Strains Upon Bridge Girders and Roof Trusses: Including the Warren, Lattice, Trellis, Boqstring, and Other Forms of Girders, the Curved Roof, and