STUART (C. B.). The Civil and Military Engineers of America. With nine finely executed portraits of eminent engineers, and illustrated by engravings of some of the most important works constructed in America. 8vo, cloth CLARK (D. K.). Fuel; its Combustion and Economy. Embracing portions of the well-known works of C. WYE WILLIAMS, "Combustion of Coal and the Prevention of Smoke," and of T. T. PRIDEAUX's work on "The Economy of Fuel." With extensive additions on Recent Practice in the Combustion and Economy of Fuel, Coal, Coke, Wood, Peat, Petroleum, &c. 12mo, cloth A Manual of Rules, Tables, and Data for Mechanical Engineers. Half morocco. WILLIAMSON (R. S.). On the Use of the Barometer on Surveys and Reconnoissances. CLEVENGER. A Treatise on the Method of Government Surveying, as prescribed RICHARDS'S INDICATOR. A Treatise on the Richards Steam-Engine Indicator, with an Appendix by F. W. BACON, M. E. Third edition, revised and enlarged. 18mo, flexible, cloth BOW (R. H.). . $5 00 1 50 2 50 1 06 A Treatise on Bracing, with its application to Bridges and other Structures of Wood or Iron. One hundred and fifty-six illustrations. 8vo, cloth 1 50 HAMILTON (W. G.). Useful Information for Railway Men. Sixth edition, revised and enlarged. 562 pages. Pocket form, morocco, gilt STUART (B.). ..2.00 Being Hints to Youths How to become a Successful Engineer. SCRIBNER (J. M.). Engineers' and Mechanics' Companion. Comprising United-States Weights and Measures, Mensuration of Superficies and Solids, Tables of Squares and Cubes, Square and Cube Roots, Circumference and Areas of Circles, The Mechanical Powers, Centres of Gravity, Gravitation of Bodies, Pendulums, Specific Gravity of Bodies, Strength, Weight, and Crush of Materials, Water Wheels, Hydrostatics, Hydraulics, Statics, Centres of Percussion and Gyration, Friction Heat, Tables of the Weight of Metals, Scantling, &c., Steam and the Steam-Engine. Eighteenth edition, revised. Morocco. Engineers', Contractors', and Surveyors' Pocket Table-Book. Comprising Logarithms of Numbers, Logarithmic Signs and Tangents, Natural Signs and Natural Tangents, the Traverse Table, and a full and complete set of Excavation and Embankment Tables, together with numerous other valuable tables for Engineers, &c. Tenth edition, revised. Morocco SCHUMANN (F.). A Manual of Heating and Ventilation in its Practical Application, for the use of Engineers and Architects. Embracing a series of tables and formulæ for dimensions of heating, flow and return pipes, for steam and hot-water boilers, flues, &c. Illustrated. Morocco. SHIELDS (J. E.). . $1.50 1 50 150 Embracing Discussions of the Principles involved and Descriptions of the Material employed in Tunnelling, Bridging, Canal and Road Building, &c. 1 50 MORRIS (ELWOOD). Easy Rules for the Measurement of Earthworks, by means of the 1 50 GILLMORE (Gen. Q. A.). Treatise on Limes, Hydraulic Cements, and Mortars. With numerous illustrations. 1 vol. 8vo, cloth 4.00 HARRISON (W. B.). The Mechanic's Tool Book, with Practical Rules and Suggestions for use of Machinists, Iron-Workers, and others. Illustrated. 12mo, cloth 150 HENRICI (OLAUS). Skeleton Structures, especially in their application to the Building of Steel and Iron Bridges. With folding plates and diagrams. 8vo, cloth 150 HEWSON (WILLIAM). Principles and Practice of Embanking Lands from River Floods, HOLLEY (A. L.). Railway Practice. American and European Railway Practice, in the Economical Generation of Steam, including the Materials and Construction of Coal-burning Boilers, Combustion, the Variable Blast, Vaporization, Circulation, Superheating, Supplying and Heating Feed-water, &c., and the Adaptation of Wood and Coke burning Engines to Coal-burning; and in Permanent Ways including Road-bed, Sleepers, Rails, Joint-fastenings, Street Railways, &e. With seventy-seven lithographed plates. Folio, cloth MINIFIE (WILLIAM). Mechanical Drawing. A Text-Book of Geometrical Drawing for the use of Mechanics. With illustrations for Drawing Plans, Sections, and Elevations of Railways and Machinery; an Introduction to Isometrical Drawing, and an Essay on Linear Perspective and Shadows. Illustrated. Ninth edition. With an Appendix on the Theory and Application of Colors. 8vo, cloth. STILLMAN (PAUL). Steam-Engine Indicator, and the improved Manometer Steam and Vacuum Gauges, - their Utility and Application. New edition. 12mo, flexible cloth WALKER (W. H.). Screw Propulsion. Notes on Screw Propulsion: its Rise and History. 8vo, cloth MAC CORD (C. W.). A Practical Treatise on the Slide-Valve by Eccentrics, examining by methods the action of the Eccentric upon the Slide-Valve, and explaining the practical processes of laying out the movements adapting the valve for its various duties in the steam-engine. For the use of engineers, draughtsmen, machinists, and students of valve-motions in general. Illustrated. 4to, cloth KIRKWOOD (JAMES P.). Report on the Filtration of River Waters for the Supply of Cities, as practised in Europe. Made to the Board of Water Commissioners of the city of St. Louis. Illustrated by thirty double-plate engravings. 4to, cloth. BURGH (N. P.). Modern Marine Engineering, applied to Paddle and Screw Propulsion. Consisting of 36 colored plates, 259 practical woodcut illustrations, and 403 pages of descriptive matter; the whole being an exposition of the present practice of James Watt & Co., J. & G. Rennie, R. Napier & Sons, and other celebrated firms. Thick 4to vol. Cloth Half morocco. $12 00 4.00 1 00 75 3 00 . 15 00 € 25 00 SIMMS (F. W.). A Treatise on the Principles and Practice of Levelling, showing its application to purposes of Railway-Engineering and the Construction of Roads, &c. Illustrated. 8vo, cloth BURT (W. A.). Key to the Solar Compass, and Surveyor's Companion. Compris. ing all the rules necessary for use in the field. Second edition, pocket-book form, tuck THE PLANE-TABLE. Its Uses in Topographical Surveying. From the papers of the HOWARD (C. R.). Earthwork Mensuration on the Basis of the Prismoidal Formulæ. GRUNER (M. L.). The Manufacture of Steel. Translated from the French by LENOX BARBA (J.). The Use of Steel for Constructive Purposes; Method of Working, DUBOIS (A. J.). The New Method of Graphical Statics. With sixty illustrations. EDDY (H. T.). . $2.50 250 200 1 50 3 50 1 50 . 1 50 Researches in Graphical Statics, embracing New Constructions in WEALE'S RUDIMENTARY SCIENTIFIC SERIES. These highly popular and cheap series of books, now comprising over two hundred distinct works in almost every department of Science, Art, and Education, are recommended to the notice of Engineers, Architects, Builders, Artisans, and Students generally, as well as to those interested in Workmen's Libraries, Free Libraries, Literary and Scientific Institutions, Colleges, Schools, Science Classes, &c. 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