Coolidge and Freeman's Elements of General Drafting for Mechanical Engi- 

 neers Oblong 4to, 2 50 



Durley's Kinematics of Machines 8vo, 4 oo 



Emch's Introduction to Projective Geometry and its Applications 8vo, 2 ro 



Hill's Text-book on Shades and Shadows, and Perspective 8vo, 2 oo 



Jamison's Elements of Mechanical Drawing 8vo, 2 50 



Advanced Mechanical Drawing 8vo, 2 oo 



Jones's Machine Design : 



Part I. Kinematics of Machinery 8vo, i 50 



Part II. Form, Strength, and Proportions of Parts 8vo, 3 oo 



MacCord's Elements of Descriptive Geometry 8vo, 3 oo 



Kinematics; or, Practical Mechanism 8vo, 5 oo 



Mechanical Drawing 4to, 4 oo 



Velocity Diagrams 8vo, i 50 



MacLeod's Descriptive Geometry Small 8vo, i 50 



* Mahan's Descriptive Geometry and Stone-cutting 8vo, i 50 



Industrial Drawing. (Thompson.) 8vo, 3 50 



Moyer's Descriptive Geometry 8vo, 2 oo 



Reed's Topographical Drawing and Sketching 4to, 5 oo 



Reid's Course in Mechanical Drawing 8vo, 2 oo 



Text-book of Mechanical Drawing and Elementary Machine Design. 8vo, 3 oo 



Robinson's Principles of Mechanism 8vo, 3 oo 



Schwamb and Merrill's Elements of Mechanism , 8vo, 3 oo 



Smith's (R. S.) Manual of Topographical Drawing. (McMillan.) 8vo, 2 50 



Smith (A. W.) and Marx's l T achine Design 8vo, 3 oo 



* Titsworth's Elements of Mechanical Drawing Oblong 8vo, i 25 



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



Drafting Instruments and Operations i2mo, i 25 



Manual of Elementary Projection Drawing i2mo, i 50 



Manual of Elementary Problems in the Linear Perspective of Form and 



Shadow i2mo, i oo 



Plane Problems in Elementary Geometry i2mo, i 25 



Primary Geometry i2mo, 75 



Elements of Descriptive Geometry, Shadows, and Perspective 8vo, 3 50 



General Problems of Shades and Shadows 8vo, 3 oo 



Elements of Machine Construction and Drawing 8vo, 7 50 



Problems, Theorems, and Examples in Descriptive Geometry 8vo, 2 50 



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



Klein.) 8vo, 5 oo 



Whelpley's Practical Instruction in the Art of Letter Engraving i2mo, 2 oo 



Wilson's (H. M.) Topographic Surveying 8vo, 3 50 



Wilson's (V. T.) Free-hand Perspective 8vo, 2 50 



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



Woolf's Elementary Course in Descriptive Geometry Large 8vo, 3 OO 



ELECTRICITY AND PHYSICS. 



Anthony and Brackett's Text-book of Physics. (Magie.) Small 8vo, 3 oo 



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



Benjamin's History of Electricity 8vo, 3 oo 



Voltaic Cell 8vo, 3 oo 



Classen's Quantitative Chemical Analysis by Electrolysis. (Boltwood.).Svo, 3 oo 



* Collins's Manual of Wireless Telegraphy i2mo, i 50 



Morocco, 2 oo 



Crehore and Squier's Polarizing Photo-chronograph. . 8vo, 3 oo 



Dawson's "Engineering" and Electric Traction Pocket-book. i6mo, morocco, 5 oo 



10 



