Treatise on Concrete, Plain and Reinforced 8vo, 5 00 Thurston’s Materials of Engineering. In Three Parts 8vo, 8 00 Part I. Non-metallic Materials of Engineering 8vo, 2 00 and Metallurgy Part II. Iron and Steel 8vo, 3 50 Part III. A Treatise on Brasses, Bronzes, and 8vo, 2 50 Other Alloys and their Constituents Tillson’s Street Pavements and Paving Materials 8vo, 4 00 Turneaure and Maurer’s Principles of Reinforced 8vo, 3 50 Concrete Construction. Second Edition, Revised and Enlarged Waterbury’s Cement Laboratory Manual 12mo, 1 00 * Laboratory Manual for Testing Materials of 12mo, 1 50 Construction Wood’s (De V.) Treatise on the Resistance of 8vo, 2 00 Materials, and an Appendix on the Preservation of Timber Wood’s (M. P.) Rustless Coatings: Corrosion and 8vo, 4 00 Electrolysis of Iron and Steel RAILWAY ENGINEERING. Andrews’s Handbook for Street Railway Engineers 3 × 5 1 25 inches, mor. Berg’s Buildings and Structures of American Railroads 4to, 5 00 Brooks’s Handbook of Street Railroad Location 16mo, mor. 1 50 * Burt’s Railway Station Service 12mo, 2 00 Butts’s Civil Engineer’s Field-book 16mo, mor. 2 50 Crandall’s Railway and Other Earthwork Tables 8vo, 1 50 Crandall and Barnes’s Railroad Surveying 16mo, mor. 2 00 * Crockett’s Methods for Earthwork Computations 8vo, 1 50 Dredge’s History of the Pennsylvania Railroad. (1879) Paper. 5 00 Fisher’s Table of Cubic Yards Cardboard, 25 Godwin’s Railroad Engineers’ Field-book and 16mo, mor. 2 50 Explorers’ Guide Hudson’s Tables for Calculating the Cubic Contents of 8vo, 1 00 Excavations and Embankments Ives and Hilts’s Problems in Surveying, Railroad 16mo, mor. 1 50 Surveying and Geodesy Molitor and Beard’s Manual for Resident Engineers 16mo, 1 00 Nagle’s Field Manual for Railroad Engineers 16mo, mor. 3 00 * Orrock’s Railroad Structures and Estimates 8vo, 3 00 Philbrick’s Field Manual for Engineers 16mo, mor. 3 00 Raymond’s Railroad Field Geometry 16mo, mor. 2 00 Elements of Railroad Engineering 8vo, 3 50 Railroad Engineer’s Field Book. (In Preparation.) Roberts’ Track Formulæ and Tables 16mo. mor. 3 00 Searles’s Field Engineering 16mo, mor. 3 00