Searles s Field Engineering 16mo, morocco, 3 00 



^ Railroad Spiral 16mo, morocco, 1 50 



j-?^or a Prismoidal Formulae and Earthwork 8vo, 1 50 



Trautwine's Method of Calculating the Cubic Contents of Ex- 

 cavations and Embankments by the Aid of Dia- 



^ ^^ grams 8vo, 2 00 



The Field Practice of Laying Out Circular Curves 



^ ^^ for Railroads 12mo, morocco, 2 50 



Cross-section Sheet Paper, 25 



Webb's Railroad Construction 8vo, 4 00 



Wellington's Economic Theory of the Location of Railways. . 



Small 8vo, 5 00 



DRAWING. 



Barr's Kinematics of Machinery 8vo, 2 50 



* Bartlett's Mechanical Drawing 8vo, 3 00 



Durley's Elementary Text-book of the Kinematics of Machines. 



{In preparation.) 



Hill's Text-book on Shades and Shadows, and Perspective. . 8vo, 2 00 

 Jones's Machine Design: 



Part L — ^Kinematics of Machinery 8vo, 1 50 



Part n. — Form, Strength and Proportions of Parts 8vo, 3 00 



MacCord's Elements of Descriptive Geometry 8vo, 3 00 



" Kinematics; or. Practical Mechanism 8vo, 5 00 



" Mechanical Drawing 4to, 4 00 



" "Velocity Diagrams 8vo, 1 50 



*Mahan's Descriptive Geometry and Stone-cutting 8vo, 1 50 



Mahan's Industrial Drawing. (Thompson.) 8vo, 3 50 



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 Ma- 

 chine Design 8vo, 3 00 



Robinson's Principles of Mechanism 8vo, 3 00 



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

 Warren's Elements of Plane and Solid Free-hand Geometrical 



Drawing 12mo, 1 00 



" Drafting Instruments and Operations 12mo, 1 25 



" Manual of Elementary Projection Drawing. .. .12mo, 1 50 

 " Manual of Elementary Problems in the Linear Per- 

 spective of Form and Shadow 12mo, 1 00 



" Plane Problems in Elementary Geometry 12mo, 1 25 



" Primary Geometry 12mo, 75 



" Elements of Descriptive Geometry, Shadows, and Per- 

 spective 8vo, 3 50 



" General Problems of Shades and Shadows 8vo, 3 00 



" Elements of Machine Construction and Drawing. .8vo, 7 50 

 " Problems, Theorems, and Examples in Descriptive 



Geometry 8vo, 2 50 



Weisbach's Kinematics and the Power of Transmission. (Herr- 

 mann and Klein.) 8vo, 5 00 



Whelpley's Practical Instruction in the Art of Letter En- 

 graving ^ 12mo, 2 00 



Wilson's Topographic Surveying 8vo, 3 50 



Wilson's Free-hand Perspective 8vo, 2 50 



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



