, i6mo, morocco, 3 



Railroad Spiral. i6mo, morocco, i 50 



Taylor's Priamoldal Formate and Earthwork. . . 8vo. z 50 

 Trautwine's Method of Calculating the Cube Contents of Excavation* and 



Embankment* by the Aid of Diagram*. . . . 8vo, 3 oo 



The Field Practice of Laying Out Circular Curves for Railroad*. 



1 2 mo, morocco, a 50 



Croat faction Sheet . Paper, as 



Webb'* Railroad Construction i6mo, morocco, 5 oo 



Economics of Railroad Construct i Large 12 mo, 250 



Wellington's Economic Theory of the Location of Railways Small 8vo, 5 oo 



DRAWING. 



Barr's Kinematic* of Machinery 8vo, a 50 



* Bartlett'* Mechanical Drawing 8vo, 3 oo 



" Abridged Ed. 8vo, i 50 



CooHdge's Manual of Drawing. 8vo. paper, i oo 

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

 neers Oblong 4to, a 50 



Darby** Kinematic* of Machine*. . . 8vo, 4 oo 



Emch'c Introduction to Project! ve Geometry and it* Applications 8vo, a 50 



Hill's Text-book on Shades and Shadow*, and Perspective 8vo, a oo 



Jamison'* Elements of Mechanical Drawing 8vo, a 50 



Advanced Mechanical Drawing 8vo, a oo 



Jones's Machine Design: 



Part I. Kinematics of Machinery. . . . 8vo, z 50 



Part n. 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, z 50 



MacLeod's Descriptive Geometry.. Small 8vo, z 50 



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



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



Moyer's Descriptive Geometry 8vo, a oo 



Reed's Topographical Drawing and Sketching. . . . . .410, 5 oo 



Reid's Course in Mechanical Drawing. ... 8vo, a 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. 350 



Smith 'A. W.) and Marx's Machine Design. . 8vo, 3 oo 



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

 Warren's Elements of Plane and Solid Free-hand Geometrical Drawing, tamo, z oo 



Drafting Instruments and Operations lamo, z as 



Manual of Elementary Projection Drawing. . . 12010, z 50 

 Manual of Elementary Problems in the Linear Perspective of Form and 



Shadow i amo, z oo 



Plane Problems in Elementary Geometry 12010, z as 



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, a so 



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



Kiel i. 8vo, 5 o o 



Whelpley'i Practical Instruction in the Art of Letter Engraving 12010. a oo 



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



10 



