Part IV.--Higher Structures 8vo, 2 50

Morison’s Memphis Bridge 4to, 10 00

Waddell’s De Pontibus, a Pocket-book for Bridge Engineers 16mo, morocco, 3 00 Specifications for Steel Bridges 12mo, 1 25

Wood’s Treatise on the Theory of the Construction of Bridges and Roofs 8vo, 2 00

Wright’s Designing of Draw-spans: