Thorpe, William Henry · London, E. & F.N. Spon, limited; New York, Spon & Chamberlain · leaf 198
depth is restricted. The widening of masonry arch bridges by masonry, callsfor no other remark than that the new work should be freefrom the old ; though it may be advisable, when the widening RECONSTRUCTION AND WIDENING. 183 is narrow, to tie the new work to the old in such a way asto permit… … .;-^;-;
Bridges
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