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 81
n the span-drels and parapets with natural boulders, which ex-tend down six inches or more below the concretesoffit. In San Francisco are several concrete bridgeswith rustic surface finish, made to represent naturalboulders, but really formed of moulded concrete.These boulder and rustic surfaces… … & 2 :i c 2 c -S f— r > **-! s -- a> •? S c c ^ ^ ^ - ^ ^ =^ ^ -^ . .^^ ^ ^ c p^ ^ t: K ^ (1. K C - f C :^ X ^ o ;- &- ^ 3 «r C/ [^ =+^ d -(- ^^ Sm s»-l o r* c & *S •+^ ,^ «^ pq c a ,--, ^ c/r c3 r; bj: Si ct rr t> £ O ^ J •^ -M ZJ § y £K ?-t t6P5 I >. ~ c tl. o 0) o i: r ■^…
Bridges, Concrete · Culverts
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
