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 Machine Design 8vo, 3 oo 



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



"Varren's Drafting Instruments and Operations 121110, i 25. 



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



Elements of Machine Construction and Drawing 8vo, 7 50 



Elements of Plane and Solid Free-hand Geometrical Drawing. . . i.2mo, i oo 



General Problems of Shades and Shadows 8vo, 3 oo 



Manual of Elementary Problems in the Linear Perspective of Form and 



Shadow 121110, i oo 



Manual of Elementary Projection Drawing i2mo, i so- 

 Plane Problems in Elementary Geometry i2tno, i 25 



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



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



Klein.) 8vo, 5 oo 



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



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



Free-hand Perspective 8vo, 2 50 



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



ELECTRICITY AND PHYSICS. 



* Abegg's Theory of Electrolytic Dissociation, (von Ende.) i2mo, i 25 



Andrews's Hand-Book for Street Railway Engineering 3X5 inches, mor., i 25 



Anthony and Brackett's Text-book of Physics. (Magie.) Large i2mo, 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 



Betts's Lead Refining and Electrolysis 8vo, 4 oo 



Classen's Quantitative Chemical Analysis by Electrolysis. (Boltwood.).8vo, 3 oo 



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



Mor. 2 oo 



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



* Danneel's Electrochemistry. (Merriam.) I2mo, i 25 



Dawson's "Engineering" and Electric Traction Pockex-book i6mo, mor 5 oo 



Dolezalek's Theory of the Lead Accumulator (Storage Battery), (von Ende.) 



i2mo, 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 i2mo, r oo 



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



Hobart and Ellis's High-speed Dynamo Electric Machinery. (In Press.) 



Holman's Precision of Measurements 8vo, 2 oo 



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



* Karapetoff's Experimental Electrical Engineering 8vo, 6 oo 



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



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



Le Chatelier's High-temperature Measurements. (Boudouard Burgess.) i2mo, 3 oo 



Lob's Electrochemistry of Organic Compounds. (Lorenz.) 8vo, 3 oo 



* London's Development and Electrical Distribntion of Water Power . . . .8vo, 3 oo 



* Lyons'? Treatise on Electromagnetic Phenomena. Vols. I. and II. 8vo, each, 6 oo 



* Michie's Elements of Wave Motion Relating to Sound and Light 8vo, 4 oo 



11 



