Thurston's Text-book of the Materials of Construction Svo, 5 



Tillson's Street Pavements and Paving Materials Svo, 4 



Waddell's De Pontibus. (A Pocket-book for Bridge Engineers.)- .i6mo, mor., 3 



Specifications for Steel Bridges i2mo, i 



Wood's Treatise on the Resistance of Materials, and an Appendix on the Pres- 

 ervation of Timber Svo, 2 



Elements of Analytical Mechanics Svo, 3 



RAILWAY ENGINEERING. 



Andrews's Handbook for Street Railway Engineers. 3X5 inches, morocco, 



Berg's Buildings and Structures of American Railroads 4to, 



Brooks's Handbook of Street Railroad Location i6mo, morocco, 



Butts's Civil Engineer's Field-book i6mo, morocco, 



Crandall's Transition Curve i6mo, morocco, 



Railway and Other Earthwork Tables Svo, 



Dawson's "Engineering" and Electric Traction Pocket-book. i6mo, morocco. 

 Dredge's History of the Pennsylvania Railroad: {1879) Paper, 



* Drinker's Tunneling, Explosive Compounds, and Rock Drills, 4to, half mor., 



Fisher's Table of Cubic Yards Cardboard, 



Godwin's Railroad Engineers' Field-book and Explorers' Guide iGmo, mor., 



Howard's Transition Curve Field-book i6mo morocco 



Hudson's Tables for Calculating the Cubic Contents of Excavations and Em- 

 bankments Svo, I 00 



Molitor and Beard's Manual for Resident Engineers i6mo, i 00 



Nagle's Field Manual for Railroad Engineers i6mo, morocco. ^ 00 



Philbrick's Field Manual for Engineers i6mo, morocco, 3 00 



Pratt and Alden's Street-railway Road-bed Svo, 2 00 



Searles's Field Engineering i6mo, morocco, 3 00 



Railroad Spiral i6mo, morocco i 50 



Taylor's Prismoidal Formulas and Earthwork Svo, 1 50 



* Trautwine's Method of Calculating the Cubic Contents of Excavations and 



Embankments by the Aid of Diagrams Svo , 2 00 



he Field Practice of [Laying Out Circular Curves for Railroads. 



i2mo, morocco, 2 50 



* Cross-section Sheet Paper, 25 



Webb's Railroad Construction. 2d Edition, Rewritten i6mn- morocco, 5 00 



Wellington's Economic Theory of the Location of Railways Small Svo, 5 00 



DRAWING. 



Barr's Kinematics of Machinery Svo, 



* Bartlett's Mechanical Drawing Svo, 



Coolidge's Manual of Drawing Svo, paper, 



Durley's Kinematics of Machines Svo, 



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



Jones's Machine Design: 



Part I. — Kinematics of Machinery Svo, 



Part n. — Form, Strength, and Proportions of Parts Svo, 



MacCord's Elements of Descriptive Geometry Svo, 



Kinematics; or, Practical Mechanism Svo, 



Mechanical Drawing 4to, 



Velocity Diagrams Svo, 



* Mahan's Descriptive Geometry and Stone-cutting Svo, 



Industrial Drawing. (Thompson.) 8vo, 



Reed's Topographical Drawing and Sketching .4to, 



8 



