Baker’s Engineers’ Surveying Instruments 12mo, 3 00 Bixby’s Graphical Computing Table Paper 19-1/2 × 24-1/4 inches. 25 ** Burr’s Ancient and Modern Engineering and the Isthmian Canal. (Postage, 27 cents additional.) 8vo, 3 50 Comstock’s Field Astronomy for Engineers 8vo, 2 50 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 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 75 Goodrich’s Economic Disposal of Towns’ Refuse 8vo, 3 50 Gore’s Elements of Geodesy 8vo, 2 50 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 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 Laplace’s Philosophical Essay on Probabilities. (Truscott and Emory.) 12mo, 2 00 Mahan’s Treatise on Civil Engineering. (1873.) (Wood.) 8vo, 5 00 * Descriptive Geometry 8vo, 1 50 Merriman’s Elements of Precise Surveying and Geodesy 8vo, 2 50 Merriman and Brooks’s Handbook for Surveyors 16mo, morocco, 2 00 Nugent’s Plane Surveying 8vo, 3 50 Ogden’s Sewer Design 12mo, 2 00 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 Taylor and Thompson’s Treatise on Concrete, Plain and Reinforced 8vo, 5 00