Searles's Field Engineering 16mo, mor. 



Railroad Spiral 16mo, mor. 



Taylor's Prismoidal Formulae and Earthwork 8vo, 



* T -autwine's Field Practice of Laying Out Circular Curves for Railroads. 



12mo, mor. 



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Webb's Economics of Railroad Construction Large 12mo, 



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Wellington's Economic Theory of the Location of Railways Large 12mo, 



Wilson's Elements of Railroad-Track and Construction 12mo. 



DRAWING 



Barr's Kinematics of Machinery 8vo, 



* Bartlett's Mechanical Drawing 8vo, 



* " " " Abridged Ed 8vo, 



* Bartlett and Johnson's Engineering Descriptive Geometry 8vo, 



Coolidge's Manual of Drawing 8vo, paper, 



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

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Durley's Kinematics of Machines 8vo, 



Emch's Introduction to Projective Geometry and its Application 8vo, 



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



Jamison's Advanced Mechanical Drawing 8vo, 



Elements of Mechanical Drawing 8vo, 



Jones's Machine Design: 



Part I. Kinematics of Machinery 8vo, 



Part II. Form, Strength, and Proportions of Parts 8vo, 



Kaup's Text-book on Machine Shop Practice. (In Press.) 



* Kimball and Barr's Machine Design 8vo, 



MacCord's Elements of Descriptive Geometry 8vo, 



Kinematics; or, Practical Mechanism 8vo, 



Mechanical Drawing 4to, 



Velocity Diagrams 8vo, 



McLeod's Descriptive Geometry Large 12mo, 



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



Industrial Drawing. (Thompson.) 8vo, 



Moyer's Descriptive Geometry 8vo, 



Reed's Topographical Drawing and Sketching 4to, 



* Reid's Mechanical Drawing. (Elementary and Advanced.) 8vo, 



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



Robinson's Principles of Mechanism 8vo, 



Schwamb anl Merrill's Elements of Mechanism 8vo, 



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



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



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



Tracy and North's Descriptive Geometry. (In Press.) 



Warren's Drafting Instruments and Operations 12mo, 



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



Elements of Machine Construction and Drawing 8vo, 



Elements of Plane and Solid Free-hand Geometrical Drawing. . . . 12mo, 



General Problems of Shades and Shadows 8vo, 



Manual of Elementary Problems in the Linear Perspective of Forms and 



Shadow 12mo. 



Manual of Elementary Projection Drawing 12mo. 



Plane Problems in Elementary Geometry 12mo, 



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

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



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Free-hand Lettering 8vo, 



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



10 



