Bollman Truss Spans; Bridge #117, Valley R.R. Va

Notes:: The Bollman truss span was designed by engineer Wendel Bollman in 1852 that allowed the use of iron for bridges rather than wood, and was adopted for many railroad bridges.
Date Issued:: 1924-01-01T00:00:00Z
Data Provider:: University of Michigan. Libraries
Collection:: Art, Architecture and Engineering Library, Lantern Slide Collection
Place:: United States
Subject Topic:: Transportation Facilities; Bridges; Aqueducts
Language:: UND
Rights:: http://quod.lib.umich.edu/t/text/accesspolicy.html
URL:: http://name.umdl.umich.edu/IC-UMMU2IC-X-LS017983%5DLS017983