Concrete bridges and culverts, for both railroads and highways (1909)
Tyrrell, H. G. (Henry Grattan), b. 1867 · Chicago The M.C. Clarke publishing co. [etc.] · leaf 67
draw a line parallel to / y intersectingAB at D, and from D draw another line DP parallelto ty. The new pole will lie on the line DP. Alsotlirough P draw a line parallel to xy intersectingthe load line in Q. and from Q draw another line QPparallel to .n, intersecting the line DP at P. Thepoint will… … u « ID m 0) o CI t> o hf ■^ H c3 d 13 a j^ ^ rt d -^ X a 3 Oj O 1—1 -£ d p H rC .s M :3 , CI o; jA Ll -^ C2 <V rt =1 hn +^ o n <i) ?r en ■iJ la a D 7^ c O .2 :S r3 Cl :^ ci 2 a; ctj .s r, :3 O ^ ^ C K ^ - « ,Q :■■ ^ ;^ -u * 03 0) s O M i>; ^ tC VJ cc i) —I ^ a: d pi ^ ^^^ U o a S ^ J ^…
Bridges, Concrete · Culverts
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
