Chicago : Engineering and Contracting Pub. Co. · leaf 642
Viaduct Traveler … Fig. 5.—View Showing Falsework and Various Erection Travelers, Municipal Bridge, St. Louis, Mo. the points above the line of no stress untilthe blocking was lowered and the span swung. No riveting was done until the span wasfree of the blocking. Work was then startedon the railroad floor system and…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
