Patton’s Treatise on Civil Engineering 8vo half leather, 7 50 Reed’s Topographical Drawing and Sketching 4to, 5 00 Rideal’s Sewage and the Bacterial Purification of Sewage 8vo, 3 50 Siebert and Biggin’s Modern Stone-cutting and Masonry 8vo, 1 50 Smith’s Manual of Topographical Drawing. (McMillan.) 8vo, 2 50 Sondericker’s Graphic Statics, with Applications to Trusses, Beams, and Arches 8vo, 2 00 * Trantwine’s Civil Engineer’s Pocket-book 16mo, morocco, 5 00 Wait’s Engineering and Architectural Jurisprudence 8vo, 6 00 Sheep, 6 50 Law of Operations Preliminary to Construction in Engineering and Architecture 8vo, 5 00 Sheep, 5 50 Law of Contracts 8vo, 3 00 Warren’s Stereotomy--Problems in Stone-cutting 8vo, 2 50 Webb’s Problems in the Use and Adjustment of Engineering Instruments. 16mo, morocco, 1 25 *Wheeler’s Elementary Course of Civil Engineering 8vo, 4 00 Wilson’s Topographic Surveying 8vo, 3 50 =BRIDGES AND ROOFS.= Boller’s Practical Treatise on the Construction of Iron Highway Bridges 8vo, 2 00 * Thames River Bridge 4to, paper, 5 00 Burr’s Course on the Stresses in Bridges and Roof Trusses, Arched Ribs, and Suspension Bridges 8vo, 3 50 Du Bois’s Mechanics of Engineering. Vol. II Small 4to, 10 00 Foster’s Treatise on Wooden Trestle Bridges 4to, 5 00 Fowler’s Coffer-dam Process for Piers 8vo, 2 50 Greene’s Roof Trusses 8vo, 1 25 Bridge Trusses 8vo, 2 50 Arches in Wood, Iron, and Stone 8vo, 2 50 Howe’s Treatise on Arches 8vo, 4 00 Design of Simple Roof-trusses in Wood and Steel 8vo, 2 00 Johnson, Bryan, and Turneaure’s Theory and Practice in the Designing of Modern Framed Structures Small 4to, 10 00 Merriman and Jacoby’s Text-book on Roofs and Bridges: Part I.--Stresses in Simple Trusses 8vo, 2 50 Part II.--Graphic Statics 8vo, 2 50 Part III.--Bridge Design. 4th Edition, Rewritten 8vo, 2 50 Part IV.--Higher Structures 8vo, 2 50 Morison’s Memphis Bridge 4to, 10 00