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



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



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 



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



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



Moyer's Descriptive Geometry. (In press.) 



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 Manual of Topographical Drawing. (McMillan.) 8vo, 2 50 



Warren's Elements of Plane and Solid Free-hand Geometrical Drawing. 12 mo, i oo 



Drafting Instruments and Operations I2mo 3 i 25 



Manual of Elementary Projection Drawing I2mo, i s 



Manual of Elementary Problems in the Linear Perspective of Form and 



Shadow 1 2mo, i oo 



Plane Problems in Elementary Geometry i2mo, i 25 



Primary Geometry I2mo, 75 



Elements of Descriptive Geometry, Shadows, and Perspective 8vo, 3 so- 

 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 Ait 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.).8vo, 3 oo 



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



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

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



Ende.) '. 121110, 2 50 



Duhem's Thermodynamics and Chemistry. (Burgess.) 8vo, 4 oo 



Flather's Dynamometers, and the Measurement of Power I2mo, 3 oo 



Gilbert's De Magnete. (Mottelay.) 8vo, 2 50 



Hanchett's Alternating Currents Explained 12010, i oo 



Bering's Ready Reference Tables (Conversion Factors) i6mo, morocco, 2 50 



Holman's Precision of Measurements 8vo, 2 oo 



Telescopic Mirror-scale Method, Adjustments, and Tests. . . . Large 8vo, 75 



Kinzbrunner's Testing of Continuous-Current Machines 8vo, 2 oo 



Landauer's Spectrum Analysis. (Tingle.) 8vo, 3 oo 



Le Chatelien's High-temperature Measurements. (Boudouard Burgess.) I2mo, 3 oo 



Lob's Electrolysis and Electrosynthesis of Organic Compounds. (Lorenz.) I2mo, i oo 



9 



