MacCord's Elements of Descriptive Geometry 8vo, 



Kinematics; or. Practical Mechanism 8vo, 



Mechanical Drawing 4to, 



Velocity Diagrams 8vo, 



• Mahan's Descriptive Geometry and Stone-cutting Svo, 



Industrial Drawing. (Thompson.) Svo, 



Reed's Topographical Drawing and Sketching 4to, 



Reid's Course in Mechanical Drawing Svo, 



Text-book of Mechanical Drawing and Elementary Machine Design. .Svo, 



Robinson's Principles of Mechanism Svo, 



Smith's Manual of Topographical Drawing. (McMillan.) Svo, 



Warren's Elements of Plane and Solid Free-hand Geometrical Drawing. . i2mo. 



Drafting Instruments and Operations i2mo. 



Manual of Elementary Projection Drawing i2mo. 



Manual of Elementary Broblems in the Linear Perspective of Form and 



Shadow i2mo. 



Plane Problems in Elementary Geometry i2mo. 



Primary Geometry i2mo. 



Elements of Descriptive Geometry, Shadows, and Perspective Svo, 



General Problems of Shades and Shadows Svo, 



Elements of Machine Construction and Drawing Svo, 



Problems. Theorems, and Examples in Descriptive Geometry Svo, 



Weisbach's Kinematics and the Power of Transrmssion. vHermann ard 



Klein.) Svo, 



Whelpley's Practical Instruction in the Art of Letter Engraving i2mo, 



Wilson's Topographic Surveying Svo, 



Free-hand Perspective Svo,* 



Free-hand Lettering Svo, 



Woo if 's Elementary Course in Descriptive Geometry Large Svo, 



ELECTRICITY AND PHYSICS. 



Anthony and Brackett's Text-book of Physics. (Magie.) , . . .Small Svo, 



Anthony's Lecture-notes on the Theory of Electrical Measurements i2mo, 



Benjamin's History of Electricity Svo, 



Voltaic CelL Svo, 



Classen's Quantitative Chemical Analysis by Electrolysis. (Boltwood.). .Svo, 



Crehore and Sauier's Polarizing Photo-chronograph 8vo, 



Dawson's "Eneineering" and Electric Traction Pocket-book. . i6mo, morocco, 

 Doleaalek's Theory of the Lead Accumulator. (Storage Battery.) 

 (Shortly.) (Von Ende.) 



Duhem's Thermodjmamics and Chemistry. (Biurgess.) Svo, 



Flather's Dvnamometers, and the Measurement of Power i2mo, 



Giioert's De Magnete. (Mottelay.) Svo, 



Hanchett's Alternating Currents Explained. (Shortly.) 



Holman's Precision of Measurements Svo, 



Telescopic Mirror-scale Method, Adjustments, and Tests Large Svo, 



Lanaauer's Spectrum Analysis. (Tingle.) Svo, 



Le Chatelier's High-temperature Measurements. (Boudouard — Burgess. )i2mo, 

 L5b's Electrolysis and Electrosynthesis of Organic Compounds. (Lorenz.) i2mo, 



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



♦ Michie. Elements of Wave Motion Relating to Sound and Light Svo, 



Niaudet's Elementary Treatise on Electric Batteries. (Fishoack. ) i2mo, 



♦ Parshall and Hobart's Electric Generators Small 4to. half morocco, lo oo 



• Rosenberg's Electrical Engineering. (Haldane Gee — Kinzbrunner.). . . .Svo, 



Ryan, Norris, and Hoxie's Electrical Machinery. Vol. I Svo, 



Thurston's Stationary Steam-engines Svo, 



♦ Tillman's Elementary Lessons in Heat Svo, 



9 



