McLeod's Descriptive Geometry Large i2mo, i 50 



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



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



Meyer's Descriptive Geometry 8vo, z. 00 



Reed's Topographical Drawing and Sketching 4to, 5 00 



Reid's Course in Mechanical Drawing 8vo, 2 00 



Text-book of Mechanical Drawing and Elementary Machine Design. 8vo, 3 00 



Robinson's Principles of Mechanism 8vo, 3 00 



Schwamb and Merrill's Elements of Mechanism 8vo, 3 00 



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



Smith (A. W.) and Marx*s Machine Design 8vo, 3 00 



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



Warren's Drafting Instruments and Operations i2mo, i 23 



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 i2mo, i 00 



General Problems of Shades and Shadows 8vo, 3 00 



Manual of Elementary Problems in the Linear Perspective of Form and 



Shadow i2mo, i 00 



Manual of Elementary Projection Drawing i2mo, i 50 



Plane Problems in Elementary Geometry i2nio, 1 25 



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



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



Klein) 8vo, 5 00 



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



Wilson's (V. T.) Free-hand Lettering 8vo, i 00 



Free-hand Perspective 8vo, 2 50 



Woolf's Elementary Course in Descriptive Geometry Large 8vo, 3 00 



ELECTRICITY AND PHYSICS. 



=^ Abegg*s Theory of Electrolytic Dissociation, (von Ende) i2mo, 



Andrews's Hand-Book for Street Railway Engineering .... 3 X 5 inches, mor. 



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



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



Benjamin's History of Electricity 8vo, 



Voltaic Cell ; 8vo, 



Betts's Lead Refining and Electrolysis 8vo, 



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



* Collins's Manual of Wireless Telegraphy i2mo, 



Mor. 

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



* Danneel's Electrochemistry. (Merriam) i2mo, 



Dawson's "Engineering" and Electric Traction Pocket-book .... i6rao, mor. 

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



i2mo, 



Duhem's Thermodynamics and Chemistry. (Burgess) Svo, 



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



Gilbert's De Magnete. (Mottelay) Svo, 



* Hanchett's Alternating Currents i2mo, i 00 



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



* Hob art and Ellis's High-speed Dynamo Electric Machinery Svo, 6 00 



Holman's Precision of Measurements Svo, 2 00 



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



* Karapetoff*s Experimental Electrical Engineering Svo, 6 00 



Kinzbrunner's Testing of Continuous-current Machines. Svo, 2 00 



Landauer's Spectrum Analysis. (Tingle) Svo, 3 00 



Le Chatelier's High-temperature Measurements. (Boudouard — Burgess).. i2mo, 3 00 



Lob's Electrochemistry of Organic Compounds. (Lorenz) Svo, 3 00 



* London's Development and Electrical Distribntion of Water Lower . . . .8vo, 3 00 



11 



