Symmetrical Masonry Arches 8vo, 2 50 Treatise on Arches 8vo, 4 00 * Hudson’s Deflections and Statically Indeterminate Small 4to, 3 50 Stresses * Plate Girder Design 8vo, 1 50 * Jacoby’s Structural Details, or Elements of Design 8vo, 2 25 in Heavy Framing Johnson, Bryan and Turneaure’s Theory and Practice in Small 4to, 10 00 the Designing of Modern Framed Structures * Johnson, Bryan and Turneaure’s Theory and Practice 8vo, 3 00 in the Designing of Modern Framed Structures. New Edition. Part I. * Part II. New Edition 8vo, 4 00 Merriman and Jacoby’s Text-book on Roofs and Bridges: Part I. Stresses in Simple Trusses 8vo, 2 50 Part II. Graphic Statics 8vo, 2 50 Part III. Bridge Design 8vo, 2 50 Part IV. Higher Structures 8vo, 2 50 Ricker’s Design and Construction of Roofs. (In Press.) Sondericker’s Graphic Statics, with Applications to 8vo, 2 00 Trusses, Beams, and Arches Waddell’s De Pontibus, Pocket-book for Bridge 16mo, mor. 2 00 Engineers * 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 8vo, 2 00 Liquid Vein Issuing from an Orifice. (Trautwine.) Bovey’s Treatise on Hydraulics 8vo, 5 00 Church’s Diagrams of Mean Velocity of Water in Open Oblong 4to, 1 50 Channels. paper, Hydraulic Motors 8vo, 2 00 Mechanics of Fluids (Being Part IV of Mechanics 8vo, 3 00 of Engineering) Coffin’s Graphical Solution of Hydraulic Problems 16mo, mor. 2 50 Flather’s Dynamometers, and the Measurement of Power 12mo, 3 00 Folwell’s Water-supply Engineering 8vo, 4 00 Frizell’s Water-power 8vo, 5 00 Fuertes’s Water and Public Health 12mo, 1 50 Water-filtration Works 12mo, 2 50 Ganguillet and Kutter’s General Formula for the 8vo, 4 00 Uniform Flow of Water in Rivers and Other Channels. (Hering and Trautwine.) Hazen’s Clean Water and How to Get It Large 12mo, 1 50 Filtration of Public Water-supplies 8vo, 3 00 Hazelhurst’s Towers and Tanks for Water-works 8vo, 2 50