ELECTRICITY AND PHYSICS.
| * Abegg's Theory of Electrolytic Dissociation. (Von Ende.) | 12mo, | 1 25 |
| Anthony and Brackett's Text-book of Physics. (Magie.) | Small 8vo, | 3 00 |
| Anthony's Lecture-notes on the Theory of Electrical Measurements. | 12mo, | 1 00 |
| Benjamin's History of Electricity. | 8vo, | 3 00 |
| Voltaic Cell. | 8vo, | 3 00 |
| Betts's Lead Refining and Electrolysis. (In Press.) | ||
| Classen's Quantitative Chemical Analysis by Electrolysis. (Boltwood.) | 8vo, | 3 00 |
| * Collins's Manual of Wireless Telegraphy. | 12mo, | 1 50 |
| Morocco, | 2 00 | |
| Crehore and Squier's Polarizing Photo-chronograph. | 8vo, | 3 00 |
| * Danneel's Electrochemistry. (Merriam.) | 12mo, | 1 25 |
| Dawson's "Engineering" and Electric Traction Pocket-book. | 16mo, morocco, | 5 00 |
| Dolezalek's Theory of the Lead Accumulator (Storage Battery). (Von Ende.) | 12mo, | 2 50 |
| Duhem's Thermodynamics and Chemistry. (Burgess.) | 8vo, | 4 00 |
| Flather's Dynamometers, and the Measurement of Power. | 12mo, | 3 00 |
| Gilbert's De Magnete. (Mottelay.) | 8vo, | 2 50 |
| Hanchett's Alternating Currents Explained. | 12mo, | 1 00 |
| Hering's Ready Reference Tables (Conversion Factors). | 16mo, morocco, | 2 50 |
| Hobart and Ellis's High-speed Dynamo Electric Machinery. (In Press.) | ||
| Holman's Precision of Measurements. | 8vo, | 2 00 |
| Telescopic Mirror-scale Method, Adjustments, and Tests. | Large 8vo, | 75 |
| Karapetoff's Experimental Electrical Engineering. (In Press.) | ||
| Kinzbrunner's Testing of Continuous-current Machines. | 8vo, | 2 00 |
| Landauer's Spectrum Analysis. (Tingle.) | 8vo, | 3 00 |
| Le Chatelier's High-temperature Measurements. (Boudouard—Burgess.) | 12mo, | 3 00 |
| Löb's Electrochemistry of Organic Compounds. (Lorenz.) | 8vo, | 3 00 |
| * Lyons's Treatise on Electromagnetic Phenomena. Vols. I. and II. | 8vo, each, | 6 00 |
| * Michie's Elements of Wave Motion Relating to Sound and Light. | 8vo, | 4 00 |
| Niaudet's Elementary Treatise on Electric Batteries. (Fishback.) | 12mo, | 2 50 |
| Norris's Introduction to the Study of Electrical Engineering. (In Press.) | ||
| * Parshall and Hobart's Electric Machine Design. | 4to, half morocco, | 12 50 |
| Reagan's Locomotives: Simple, Compound, and Electric. New Edition. | Large 12mo, | 3 50 |
| * Rosenberg's Electrical Engineering. (Haldane Gee—Kinzbrunner.) | 8vo, | 2 00 |
| 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 |
| * Dudley's Military Law and the Procedure of Courts-martial. | Large 12mo, | 2 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 |
| * Claassen's Beet-sugar Manufacture. (Hall and Rolfe.) | 8vo, | 3 00 |
| * Eckel's Cements, Limes, and Plasters. | 8vo, | 6 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 |
| Herrick's Denatured or Industrial Alcohol. | 8vo, | 4 00 |
| Holley and Ladd's Analysis of Mixed Paints, Color Pigments, and Varnishes. (In Press.) | ||
| Hopkins'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 |
| * McKay and Larsen's Principles and Practice of Butter-making. | 8vo, | 1 50 |
| Maire's Modern Pigments and their Vehicles. (In Press.) | ||
| Matthews's The Textile Fibres. 2d Edition, Rewritten. | 8vo, | 4 00 |
| 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 |
| Morse's Calculations used in Cane-sugar Factories. | 16mo, morocco, | 1 50 |
| * Reisig's Guide to Piece-dyeing. | 8vo, | 25 00 |
| Rice's Concrete-block Manufacture. | 8vo, | 2 00 |
| Sabin's Industrial and Artistic Technology of Paints and Varnish. | 8vo, | 3 00 |
| Smith's Press-working of Metals. | 8vo, | 3 00 |
| Spalding's Hydraulic Cement. | 12mo, | 2 00 |
| Spencer's Handbook for Chemists of Beet-sugar Houses. | 16mo, morocco, | 3 00 |
| Handbook for Cane Sugar Manufacturers. | 16mo, morocco, | 3 00 |
| Taylor and Thompson's Treatise on Concrete, Plain and Reinforced. | 8vo, | 5 00 |
| Thurston's Manual of Steam-boilers, their Designs, Construction and Operation. | 8vo, | 5 00 |
| Ware's Beet-sugar Manufacture and Refining. Vol. I. | Small 8vo, | 4 00 |
| Wa"e's Beet"sugar Manu"acture a"d Refin"ng. Vol. II. | 8vo, | 5 00 |
| Weaver's Military Explosives. | 8vo, | 3 00 |
| West's American Foundry Practice. | 12mo, | 2 50 |
| Moulder's Text-book. | 12mo, | 2 50 |
| Wolff's Windmill as a Prime Mover. | 8vo, | 3 00 |
| Wood's Rustless Coatings: Corrosion and Electrolysis of Iron and Steel. | 8vo, | 4 00 |
MATHEMATICS.