ing troughs and secured by angles. The troughs are filled withconcrete to a height of 5 inches above their tops upon which theballast and remainder of the track are laid in the usual manner. The details and general construction of the floorare so clearly shown by the figures as to need no further… … Lony/fud/na/ Se&f/on a/ F~Ioor New Yor/<, f^rois/dence &> &&<ston ft TP. Figure 7 (b)
Bridges · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
