Recommendations of American Railway Engineering Assn, regarding practice of inside and outside guard rails and re-railer guards. (see also Con Engr v 63 n 18 Nov 1 1932 p 14)
Guard-rail practice varies on railway bridges
Eng News-Rec
Engineering News-Record ; 108 , n 26
1932
Article (Journal)
English
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Guard-rail practice varies on railway bridges
Engineering Index Backfile | 1932
Guard rails and deck construction for railway bridges
Engineering Index Backfile | 1909