*** Any book in this Catalogue sent free by mail, on eceipt of price. VALUABLE SCIENTIFIC BOOKS, PUBLISHED BY D. VAN NOSTRAND, 23 Marray Street, and 27 Warren Street, WEISBACH. A MANUAL OF THEORETICAL ME- IRKWOOD ON THE FILTRATION OF RIVER $10 00 15 00 15 Of D. VAN NOSTRAND'S PUBLICATIONS. FANNING. A PRACTICAL TREATISE OF WATER SUPPLY ENGINEERING. Relating to the Hydrology, Hydrodynamics, and Prac tical Construction of Water-Works, in North America. With numerous Tables and 180 illustrations. By I. T. Fanning, C.E. 650 pages. 8vo, cloth extra, WHIPPLE. AN ELEMENTARY TREATISE ON MERRILL. IRON TRUSS BRIDGES FOR RAILROADS. The Method of Calculating Strains in Trusses, with a careful comparison of the most prominent Trusses, in reference to economy in combination, etc., etc. By Byt. Col. William E. Merrill, U. S. A., Corps of Engineers. Nine lithographed plates of illustrations. Third edition. 4to, HREVE. A TREATISE ON THE STRENGTH OF BRIDGES AND ROOFS. Comprising the determination of Algebraic formulas for Strains in Horizontal, Inclined or Rafter, Triangular, Bowstring Lenticular and other Trusses, from fixed and moving loads, with practical applications and examples, for the use of Students and Engineers By Samuel H. Shreve, A. M., Civil Engineer. Second edition, 87 woodcut illustrations. 8vo, cloth, KANSAS CITY BRIDGE. WITH AN ACCOUNT OF THE REGIMEN OF THE MISSOURI RIVER,-and a description of the Methods used for Founding in that River. By O. Chanute, Chief Engineer, and George Morison, Assistant Engineer. Illustrated with five lithographic views and twelve plates of plans. 4to, cloth, D. VAN NOSTRAND'S PUBLICATIONS. CLARKE. DESCRIPTION OF THE IRON RAILWAY ROEBLING. LONG AND SHORT SPAN RAILWAY HENRICI. SKELETON STRUCTURES, especially in $7 50 25 00 1 50 50 1 50 12 50 1 50 2.00 D. VAN NOSTRAND'S PUBLICATIONS. AUCHINCLOSS. APPLICATION OF THE SLIDE VALVE and Link Motion to Stationary, Portable, Locomotive and Marine Engines. By William S Auchincloss. Designed as a hand-book for Mechanical Engineers. With 37 wood-cuts and 21 lithographic plates, with copper-plate engraving of the Travel Scale. Sixth edition. 8vo, cloth, $800 BURGH. MODERN MARINE ENGINEERING, applied to Paddle and Screw Propulsion. Consisting of 36 Colored Plates, 259 Practical Wood-ent Illustrations, and 403 pages of Descriptive Matter, the whole being an exposition of the present practice of the following firms: Messrs J. Penn & Sons; Messrs. Maudslay, Sons & Field; Messrs. James Watt & Co.; Messrs. J. & G. Rennie. Messrs. R. Napier & Sons Messrs J. & W. Dudgeon: Messrs. Ravenhill & Hodgson Messrs Humphreys & Tenant; Mr J. T. Spencer, and Messrs. Forrester & Co. By N P. Burgh. Fngineer. One thick 4to Vol., cloth. $25 30; haif morocco, 30 00 RACON. A TREATISE ON THE RICHARD'S STEAMENGINE INDICATOR - with directions for its use. By Charles T. Porter. Revised, with notes and large additions as developed by American Practice, with an Ap pendix containing useful formulæ and rules for Engineers. By F W. Bacon, M. E. Istrated Second edition. 12mo. Cloth $1.00; morocco, ISHERWOOD ENGINEERING PRECEDENTS FOR STEAM MACHINERY. By B. F. Isherwood, Chief Engineer, U. S Navy With illustrations. Two vols. in one. 8vo, cloth, STILLMAN. THE STEAM ENGINE INDICATOR -and the Improved Manometer Steam and Vacuum Ganges-their utility and application. By Paul Stillman. New edition. 12mo, cloth, D. VAN NOSTRAND'S PUBLICATIONS. MacCORD. 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. By C. W. Mac Cord, A. M., Professor of Mechanical Drawing, Stevens' Iustitute of Technology, Hoboken, N. J. Illustrated. 4to, cloth. PORTER. A TREATISE ON THE RICHARDS' McCULLOCH A TREATISE ON THE MANI- VAN BUREN. INVESTIGATIONS OF FORMU- STUART. HOW TO BECOME A SUCCESSFUL EN- 18mo, SHIELDS. NOTES ON ENGINEERING CONSTRUC- |