Economics of bridgework, a sequel to Bridge engineering
A 1921 engineering treatise by J. A. L. Waddell, published in New York by John Wiley as a sequel to his Bridge Engineering, written for practicing bridge designers and estimators. The plates are hand-lettered cost curves drawn on fine green graph grids, comparing suspension and cantilever spans, steel weights and anchorage loads; useful for gridded backgrounds, script annotation and rising-curve diagrams.
