* Dyer's Handbook of Light Artillery 121110, 



Eissler's Modern High Explosives 8vo, 



* Fiebeger's Text-book on Field Fortification Large i2mo, 



Hamilton and Bond's The Gunner's Catechism i8mo, 



* Hoff's Elementary Naval Tactics » 8vo, 



Ingalls's Handbook of Problems in Direct Fire. ., 8vo, 



* Lissak's Ordnance and Gunnery 8vo, 



* Ludlow's Logarithmic and Trigonometric Tables 8vo, 



* Lyons's Treatise on Electromagnetic Phenomena. Vols. I. and II.. 8vo, each, 



* Mahan's Permanent Fortifications. (Mercur) 8vo, half mor. 



Manual for Courts-martial i6mo, mor. 



* Mercur's Attack of Fortified Places i2mo, 



* Elements of the Art of War 8vo, 



Metcalf's Cost of Manufactures — And the Administration of Workshops. .8vo, 



Nixon's Adjutants' Manual • 24mo, 



Peabody's Naval Architecture 8vo, 



* Phelps's Practical Marine Surveying 8vo, 



Putnam's Nautical Charts 8vo, 



Sharpe's Art of Subsisting Armies in War i8mo, mor. 



* Tupes and Poole's Manual of Bayonet Exercises and Musketry Fencing. 



24mo, leather, 



* Weaver's Military Explosives. . ; 8vo, 



Woodhull's Notes on Military Hygiene ionao, 



ASSAYING. 



Betts's Lead Refining by Electrolysis 8vo, 4 00 



Fletcher's Practical Instructions in Quantitative Assaying with the Blowpipe. 



i6mo, mor. 



Furman's Manual of Practical Assaying 8vo, 



Lodge's Notes on Assaying and Metallurgical Laboratory Experiments. . . .8vo, 



Low's Technical Methods of Ore Analysis 8vo, 



Miller's Cyanide Process i2mo, 



Manual of Assaying i2mo, 



Minet's Production of Aluminum and its Industrial Use. (Waldo)./. . . . i2mo, 



O'Driscoll's Notes on the Treatment of Gold Ores 8vo, 



Ricketts and Miller's Notes on Assaying. 8vo, 



Robine and Lenglen's Cyanide Industry. (Le Clerc) 8vo, 



Dike's Modern Electrolytic Copper Refining „ 8vo, 



Wilson's Chlorination Process i2mo, 



Cyanide Processes i2mo 



ASTRONOMY. 



Comstock's Field Astronomy for Engineers 8vo, 



Craig's Azimuth 4to, 



Crandall's Text-book on Geodesy and Least Squares 8vo, 



Doolittle's Treatise on Practical Astronomy 8vo, 



Gore's Elements of Geodesy 8vo, 



Hayford's Text-book of Geodetic Astronomy 8vo, 



Merriman's Elements of Precise Surveying and Geodesy. 8vo, 



* Michie and Harlow's Practical Astronomy 8vo, 



Rust's Ex-meridian Altitude, Azimuth and Star- Finding Tables 8vo, 



* White's Elements of Theoretical and Descriptive Astronomy i2mo, 



