Short Course in Inorganic Qualitative Chemical Analysis for Engineering Students. 12mo, 1 50 Text-book of Chemical Arithmetic. 12mo, 1 25 Whipple's Microscopy of Drinking-water. 8vo, 3 50 Wilson's Cyanide Processes. 12mo, 1 50 Chlorination Process. 12mo, 1 50 Winton's Microscopy of Vegetable Foods. 8vo, 7 50 Wulling's Elementary Course in Inorganic, Pharmaceutical, and Medical Chemistry. 12mo, 2 00 CIVIL ENGINEERING. BRIDGES AND ROOFS. HYDRAULICS. MATERIALS OF ENGINEERING. RAILWAY ENGINEERING. Baker's Engineers' Surveying Instruments. 12mo, 3 00 Bixby's Graphical Computing Table. Paper 19-1/2 × 24-1/4 inches, 25 Breed and Hosmer's Principles and Practice of Surveying. 8vo, 3 00 * Burr's Ancient and Modern Engineering and the Isthmian Canal. 8vo, 3 50 Comstock's Field Astronomy for Engineers. 8vo, 2 50 * Corthell's Allowable Pressures on Deep Foundations. 12mo, 1 25 Crandall's Text-book on Geodesy and Least Squares. 8vo, 3 00 Davis's Elevation and Stadia Tables. 8vo, 1 00 Elliott's Engineering for Land Drainage. 12mo, 1 50 Practical Farm Drainage. 12mo, 1 00 * Fiebeger's Treatise on Civil Engineering. 8vo, 5 00 Flemer's Phototopographic Methods and Instruments. 8vo, 5 00 Folwell's Sewerage. (Designing and Maintenance.) 8vo, 3 00 Freitag's Architectural Engineering. 2d Edition, Rewritten. 8vo, 3 50 French and Ives's Stereotomy. 8vo, 2 50 Goodhue's Municipal Improvements. 12mo, 1 50 Gore's Elements of Geodesy. 8vo, 2 50 * Hauch and Rice's Tables of Quantities for Preliminary Estimates. 12mo, 1 25 Hayford's Text-book of Geodetic Astronomy. 8vo, 3 00 Hering's Ready Reference Tables (Conversion Factors). 16mo, morocco, 2 50 Howe's Retaining Walls for Earth. 12mo, 1 25 Hoyt and Grover's River Discharge. 8vo, 2 00 * Ives's Adjustments of the Engineer's Transit and Level. 16mo, Bds. 25 Ives and Hilts's Problems in Surveying. 16mo, morocco, 1 50 Johnson's (J. B.) Theory and Practice of Surveying. Small 8vo, 4 00 Johnson's (L. J.) Statics by Algebraic and Graphic Methods. 8vo, 2 00