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| | Context for World Heritage Bridges |
 | | Several concepts that later became standard bridge practice first were illustrated in this volume: the tied arch, the Pauli or lenticular truss (in wood), the all-metal truss (in cast brass), a portable, metal chain-link suspension bridge, the use of metal in reinforcing wooden bridges, and the eye-bar tension member (again in brass). |
 | | Bridges in areas other than Europe and the USA should be investigated, as the colonial empires of several nations were at their peak during the autumn years of the 19th century. |
 | | This bridge, designed by E H Duggan and Phelps Johnson with Ralph Modjeski as consultant, was criticized by many engineers as being the ugliest, while the cantilever was generally regarded as a type, especially those of American origin, whose profile was unsightly despite their record lengths. |
| www.icomos.org /studies/bridges.htm (14363 words) |
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