Thorpe, William Henry · London, E. & F.N. Spon, limited; New York, Spon & Chamberlain · leaf 161
crown are introduced. As an instance of this may be quoteda bridge of some 45 feet span, in which the arches were castin two pieces abutting, and very efficiently bolted together atthe crown, the sprii^ing and vertical abutment member of L 146 THE ANATOMY QF BRIDGEWORK. the spandrel being bolted…
Bridges
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