Chicago : Engineering and Contracting Pub. Co. · leaf 642
rk, and ,i possible set I lenient of (he piles. December 13, 1911. ENGINEERING & CONTRACTING 627 under the weight of the steel work and trav-eler, an arbitrary camber of about 6 ins. wasadded. This proved to be sufficient to keep corresponding to the unsupported length ofthe tape. The zero end… … Viaduct Traveler
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Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
