Hill's Text-book on Shades and Shadows, and Ferspective 8vo, 



Jamison's Elements of Mechanical Drawing. {In preaa.) 



Jones's Machine Design: 



Part I. — Kinematics of Machinery 8vo, 



Part n. — Form, Strength, and Proportions of Parts 8vo, 



HacCord's Elements of Descriptive Geometrj , 8vo, 



Kinematics; or. Practical Mechanism , , 8vo, 



Mechanical Drawing , 4to, 



Velocity Diagrams 8vo, 



• Mahan's DsscriptiTe Geometry and Stone-cutting 8vo, 



Industrial Drawing. (Thompson.) 8vo, 



Reed's Topographical Drawing and Sketching 4to, 



Reid's Course in Mechanical Drawing 8vo, 



Text-book of Mechanical Drawing and Elementary Machine Design . . 8vo, 



Robinson's Principles of Mechanism 8vo, 



Smith's Manual of Topographical Drawing. (McMillan.) 8vo, 



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 Problems in the Linear Perspective of Form and 



Shadow izmo. 



Plane Problems in Elementary Geometry izmo. 



Primary Geometry i2mo, 



Elements of Descriptive Geometry, Shadows, and Perspective 8vo, 



General Problems of Shades and Shadows 8vo, 



Elements of Machine Construction and Drawing 8vo, 



Problems. Theorems, and Examples in Descriptive Geometry 8vo, 



Weisbach's Kinematics and the Power of Transmission. (Hermann and 



Klein.) 8vo, 



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



Wilson's Topographic Surveying 8vo, 



Free-hand Perspective 8vo, 



Free-hand Lettering. 8vo, 



Woolf 's Elementary Course in Descriptive Geometry Large 8vo, 



"ELECTRICITY kSD PHYSICS. 



Anthony and Brackett's Text-book of Physics. (Magie.) Small 8vo, 



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



Benjamin's History of Electricity 8vo, 



Voltaic CelL 8vo, 



Classen's Quantitative Chemical Analysis by Electrolysis. (Eoltwood.). .8vo, 



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



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

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



Ende.) izmo," 



Duhem's Thermodynamics and Chemistry. (Burgess. ) 8vo , 



FUther's Dvnamometers, and the Measurement of Power izmo, 



GUbert's De Magnete. (Mottelay.) 8vo, 



Hanchett's Alternating Currents Explained izmo, 



Hering's Ready Reference Tables (Conversion Factors) i6mo, morocco, 



Holman's Precision of Measurements 8vo, 



Telescopic Mirror-scale Method, Adjustments, and Tests Large 8vo, 



Landauer's Spectrum Analysis. (Tingle.) 8vo. 



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

 LSb's Electrolysis and Electrosynthesis of Organic Compounds. (Lorenz.) izmo, 



• Lyons's Treatise on Electromagnetic Phenomena. Vols. I. and H. 8vo, each, 



• Uichie. Elements of Wave Motion Relating to Sound and Light, 8vo, 



9 



