Soper's Air and Ventilation of Subways 12mo, $2 50 



* Tracy's Exercises in Surveying 12mo, mor. 1 00 



Tracy's Plane Surveying 16mo, mor. 3 00 



* Trautwine's Civil Engineer's Pocket-book 16mo, mor. 5 00 



Venable's Garbage Crematories in America 8vo, 2 00 



Methods and Devices for Bacterial Treatment of Sewage 8vo, 3 00 



Wait's Engineering and Architectural Jurisprudence 8vo, 6 00 



Sheep, 6 53 



Law of Contracts 8vo, 3 00 



Law of Operations Preliminary to Construction in Engineering and 



Architecture 8vo. 5 00 



Sheep, 5 50 



Warren's Stereotomy Problems in Stone-cutting 8vo, 2 50 



* Waterbury's Vest-Pocket Hand-book of Mathematics for Engineers. 



2JX5| inches, mor. 1 00 



* Enlarged Edition, Including Tables mor. 1 50 



Webb's Proolems in the Use and Adjustment of Engineering Instruments. 



16mo, mor. 1 25 



Wilson's Topographic Surveying 8vo, 3 50 



BRIDGES AND ROOFS. 



Boiler's Practical Treatise on the Construction of Iron Highway Bridges.. 8vo, 2 00 



* Thames River Bridge Oblong paper, 5 00 



Burr and Falk's Design and Construction of Metallic Bridges 8vo, 5 00 



Influence Lines for Bridge and Roof Computations 8vo, 3 00 



Du Bois's Mechanics of Engineering. Vol. II Small 4to, 10 00 



Foster's Treatise on Wooden Trestle Bridges 4to, 5 00 



Fowler's Ordinary Foundations 8vo, 3 50 



Greene's Arches in Wood, Iron, and Stone 8vo, 2 53 



Bridge Trusses 8vo, ,2 53 



Roof Trusses 8vo, 1 25 



Grimm's Secondary Stresses in Bridge Trusses 8vo, 2 50 



Heller's Stresses in Structures and the Accompanying Deformations.. . .8vo, 3 00 



Howe's Design of Simple Roof- trusses in Wood and Steel 8vo. 2 00 



Symmetrical Masonry Arches 8vo, 2 50 



Treatise on Arches 8vo, 4 00 



* Jacoby's Structural Details, or Elements of Design in Heavy Framing, 8vo, 2 25 

 Johnson, Bryan and Turneaure's Theory and Practice in the Designing of 



Modern Framed Structures Small 4to, 10 00 



* Johnson, Bryan and Turneaure's Theory and Practice in the Designing of 



Modern Framed Structures. New Edition. Part 1 8vo, 3 00 



Merriman and Jacoby's Text-book on Roofs and Bridges: 



Part I. Stresses in Simple Trusses 8vo v 2 50 



Part II. Graphic Statics 8vo, 2 50 



Part III. Bridge Design 8vo, 2 50 



Part IV. Higher Structures 8vo, 2 50 



Morison's Memphis Bridge Oblong 4to, 10 00 



Sondericker's Graphic Statics, with Applications to Trusses, Beams, and 



Arches 8vo, 2 00 



Waddell's De Pontibus, Pocket-book for Bridge Engineers 16mo, mor. 2 00 



* Specifications for Steel Bridges 12mo, 50 



Waddell and Harrington's Bridge Engineering. (In Preparation.) 



HYDRAULICS. 



Barnes's Ice Formation 8vo, 3 00 



Bazin's Experiments upon the Contraction of the Liquid Vein Issuing from 



an Orifice. (Trautwine.) 8vo, 2 00 



Bovey's Treatise on Hydraulics 8vo, 5 00 



Church's Diagrams of Mean Velocity of Water in Open Channels. 



Oblong 4to, paper, 1 50 



Hydraulic Motors 8vo, 2 00 



