Valve-gear 8vo, 2 50 Spangler, Greene, and Marshall’s Elements of 8vo, 3 00 Steam-engineering Thomas’s Steam-turbines 8vo, 4 00 Thurston’s Handbook of Engine and Boiler Trials, and 8vo, 5 00 the Use of the Indicator and the Prony Brake Handy Tables 8vo, 1 50 Manual of Steam-Boilers, their Designs, 8vo, 5 00 Construction, and Operation Manual of the Steam-engine 2 vols., 10 00 8vo, Part I. History, Structure, and Theory 8vo, 6 00 Part II. Design, Construction, and 8vo, 6 00 Operation Wehrenfennig’s Analysis and Softening of Boiler 8vo, 4 00 Feed-water. (Patterson) Weisbach’s Heat, Steam, and Steam-engines. (Du Bois.) 8vo, 5 00 Whitham’s Steam-engine Design 8vo, 5 00 Wood’s Thermodynamics, Heat Motors, and Refrigerating 8vo, 4 00 Machines MECHANICS PURE AND APPLIED. Church’s Mechanics of Engineering 8vo, 6 00 Mechanics of Fluids (Being Part IV of Mechanics 8vo, 3 00 of Engineering) * Mechanics of Internal Work 8vo, 1 50 Mechanics of Solids (Being Parts I, II, III of 8vo, 4 50 Mechanics of Engineering) Notes and Examples in Mechanics 8vo, 2 00 Dana’s Text-book of Elementary Mechanics for Colleges 12mo, 1 50 and Schools Du Bois’s Elementary Principles of Mechanics: Vol. I. Kinematics 8vo, 3 50 Vol. II. Statics 8vo, 4 00 Mechanics of Engineering. Vol. I. Small 4to, 7 50 Vol. II. Small 4to, 10 00 * Greene’s Structural Mechanics 8vo, 2 50 * Hartmann’s Elementary Mechanics for Engineering 12mo, 1 25 Students James’s Kinematics of a Point and the Rational Large 12mo, 2 00 Mechanics of a Particle * Johnson’s (W. W.) Theoretical Mechanics 12mo, 3 00 * King’s Elements of the Mechanics of Materials and 8vo, 2 60 of Power of Transmission Lanza’s Applied Mechanics 8vo, 7 50 * Martin’s Text Book on Mechanics, Vol. I, Statics 12mo, 1 25 * Vol. II. Kinematics and Kinetics 12mo, 1 50 * Vol. III. Mechanics of Materials 12mo, 1 50 Maurer’s Technical Mechanics 8vo, 4 00 * Merriman’s Elements of Mechanics 12mo, 1 00