Part III.--A Treatise on Brasses, Bronzes, and Other

Alloys and their Constituents 8vo, 2 50

Thurston’s Text-book of the Materials of Construction 8vo, 5 00

Tillson’s Street Pavements and Paving Materials 8vo, 4 00

Waddell’s De Pontibus. (A Pocket-book for Bridge Engineers.) 16mo, mor., 3 00 Specifications for Steel Bridges 12mo, 1 25

Wood’s Treatise on the Resistance of Materials, and an Appendix on the Preservation of Timber 8vo, 2 00 Elements of Analytical Mechanics 8vo, 3 00

Wood’s Rustless Coatings: Corrosion and Electrolysis of Iron and Steel 8vo, 4 00

=RAILWAY ENGINEERING.=

Andrews’s Handbook for Street Railway Engineers. 3×5 inches, morocco, 1 25

Berg’s Buildings and Structures of American Railroads 4to, 5 00

Brooks’s Handbook of Street Railroad Location 16mo, morocco, 1 50

Butts’s Civil Engineer’s Field-book 16mo, morocco, 2 50

Crandall’s Transition Curve 16mo, morocco, 1 50 Railway and Other Earthwork Tables 8vo, 1 50

Dawson’s “Engineering” and Electric Traction Pocket-book. 16mo, morocco, 5 00

Dredge’s History of the Pennsylvania Railroad: (1879) Paper, 5 00

* Drinker’s Tunneling, Explosive Compounds, and Rock Drills, 4to, half mor., 25 00

Fisher’s Table of Cubic Yards Cardboard, 25

Godwin’s Railroad Engineers’ Field-book and Explorers’ Guide 16mo, mor., 2 50

Howard’s Transition Curve Field-book 16mo, morocco, 1 50

Hudson’s Tables for Calculating the Cubic Contents of Excavations and Embankments 8vo, 1 00

Molitor and Beard’s Manual for Resident Engineers 16mo, 1 00

Nagle’s Field Manual for Railroad Engineers 16mo, morocco, 3 00

Philbrick’s Field Manual for Engineers 16mo, morocco, 3 00

Searles’s Field Engineering 16mo, morocco, 3 00 Railroad Spiral 16mo, morocco, 1 50

Taylor’s Prismoidal Formulæ and Earthwork 8vo, 1 50 * Trautwine’s Method of Calculating the Cubic Contents of Excavations and Embankments by the Aid of Diagrams 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. 2d Edition, Rewritten 16mo, morocco, 5 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

* ” ” ” Abridged Ed. 8vo, 1 50

Coolidge’s Manual of Drawing 8vo, paper, 1 00

Coolidge and Freeman’s Elements of General Drafting for Mechanical Engineers. (_In press._)

Durley’s Kinematics of Machines 8vo, 4 00

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

Jamison’s Elements of Mechanical Drawing. (_In press._)

Jones’s Machine Design: