(Fishback.) 12mo, 2 50 * Rosenberg’s Electrical Engineering. (Haldane Gee—Kinzbrunner.) 8vo, 1 50 Ryan, Norris, and Hoxie’s Electrical Machinery. Vol. I. 8vo, 2 50 Thurston’s Stationary Steam-engines 8vo, 2 50 * Tillman’s Elementary Lessons in Heat 8vo, 1 50 Tory and Pitcher’s Manual of Laboratory Physics Small 8vo, 2 00 Ulke’s Modern Electrolytic Copper Refining 8vo, 3 00 LAW. * Davis’s Elements of Law 8vo, 2 50 * Treatise on the Military Law of United States 8vo, 7 00 * Sheep, 7 50 Manual for Courts-martial 16mo, morocco, 1 50 Wait’s Engineering and Architectural Jurisprudence 8vo, 6 00 Sheep, 6 50 Law of Operations Preliminary to Construction in Engineering and Architecture 8vo, 5 00 Sheep, 5 50 Law of Contracts 8vo, 3 00 Winthrop’s Abridgment of Military Law 12mo, 2 50 MANUFACTURES. Bernadou’s Smokeless Powder—Nitro-cellulose and Theory of the Cellulose Molecule 12mo, 2 50 Bolland’s Iron Founder 12mo, 2 50 “The Iron Founder,” Supplement 12mo, 2 50 Encyclopedia of Founding and Dictionary of Foundry Terms Used in the Practice of Moulding 12mo, 3 00 Eissler’s Modern High Explosives 8vo, 4 00 Effront’s Enzymes and their Applications. (Prescott.) 8vo, 3 00 Fitzgerald’s Boston Machinist 12mo, 1 00 Ford’s Boiler Making for Boiler Makers 18mo, 1 00 Hopkin’s Oil-chemists’ Handbook 8vo, 3 00 Keep’s Cast Iron 8vo, 2 50 Leach’s The Inspection and Analysis of Food with Special Reference to State Control Large 8vo, 7 50 Matthews’s The Textile Fibres 8vo, 3 50 Metcalf’s Steel. A Manual for Steel-users 12mo, 2 00 Metcalfe’s Cost of Manufactures—And the Administration of Workshops 8vo, 5 00 Meyer’s Modern Locomotive Construction 4to, 10 00