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



Jamison's Elements of Mechanical Drawing 8vo. 



Jones's Machine Design: 



Part I. Kinematics of Machinery 8vo» 



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



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 8vo, 



Industrial Drawing. (Thompson.) 8vo, 



Moyer's Descriptive Geometry 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, 



Schwamb and Merrill's Elements 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 z2mo, 



Manual of Elementary Problems 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 8vo, 



Gener&l 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 Power of Transmission. (Hermann and Klein)8vo, 



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



Wilson's (H. M.) Topographic Surveying 8vo, 



Wilson's (V. T.) Free-hand Perspective 8vo, 



Wilson's (V. T.) Free-hand Lettering 8vo, 



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



ELECTRICITY AND PHYSICS. 



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



Anthony's Lecture-notes on the Theory of Electrical Measurements. . . .Z2mo, 

 Benjamin's History of Electricity 8vo, 



Voltaic Cell. 8vo, 



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



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



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

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



Ende.) ismo, 



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



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



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



Hanchett's Alternating Currents Explained i2mo, 



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



Holman's Precision of Measurements 8vo, 



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



Kinzbrunncr's Testing of Continuous-Current Machines 8vo, 



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



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

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



9 



