Putnam’s Nautical Charts 8vo, 2 00 Rust’s Ex-meridian Altitude, Azimuth and Star-Finding 8vo, 5 00 Tables * Selkir’s Catechism of Manual of Guard Duty 24mo, 0 50 Sharpe’s Art of Subsisting Armies in War 18mo, mor. 1 50 * Taylor’s Speed and Power of Ships. 2 vols. Text 8vo, 7 50 plates oblong 4to, * Tupes and Poole’s Manual of Bayonet Exercises and 24mo, 0 50 Musketry Fencing. leather, * Weaver’s Military Explosives 8vo, 3 00 * Woodhull’s Military Hygiene for Officers of the Large 12mo, 1 50 Line ASSAYING. Betts’s Lead Refining by Electrolysis 8vo, 4 00 * Butler’s Handbook of Blowpipe Analysis 16mo, 0 75 Fletcher’s Practical Instructions in Quantitative 16mo, mor. 1 50 Assaying with the Blowpipe Furman and Pardoe’s Manual of Practical Assaying 8vo, 3 00 Lodge’s Notes on Assaying and Metallurgical 8vo, 3 00 Laboratory Experiments Low’s Technical Methods of Ore Analysis 8vo, 3 00 Miller’s Cyanide Process 12mo, 1 00 Manual of Assaying 12mo, 1 00 Minet’s Production of Aluminum and its Industrial 12mo, 2 50 Use. (Waldo.) Ricketts and Miller’s Notes on Assaying 8vo, 3 00 Robine and Lenglen’s Cyanide Industry. (Le Clerc.) 8vo, 4 00 * Seamon’s Manual for Assayers and Chemists Large 12mo, 2 50 Ulke’s Modern Electrolytic Copper Refining 8vo, 3 00 Wilson’s Chlorination Process 12mo, 1 50 Cyanide Processes 12mo, 1 50 ASTRONOMY. Comstock’s Field Astronomy for Engineers 8vo, 2 50 Craig’s Azimuth 4to, 3 50 Crandall’s Text-book on Geodesy and Least Squares 8vo, 3 00 Doolittle’s Treatise on Practical Astronomy 8vo, 4 00 Hayford’s Text-book of Geodetic Astronomy 8vo, 3 00 Hosmer’s Azimuth 16mo, mor. 1 00 * Text-book on Practical Astronomy 8vo, 2 00 Merriman’s Elements of Precise Surveying and Geodesy 8vo, 2 50 * Michie and Harlow’s Practical Astronomy 8vo, 3 00 Rust’s Ex-meridian Altitude, Azimuth and Star-Finding 8vo, 5 00 Tables * White’s Elements of Theoretical and Descriptive 12mo, 2 00 Astronomy CHEMISTRY.