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8vo. 83 pp. Hamburg, 1851. 

 FRANCIS, James B. Lowell Hydraulic Experiments. 



4to. 251 pp., XXIII. plates. New- York, 1868. 

 GILLIES, John R. Tunnels of the Pacific Rail Road. Vol. IV., Pamphlets. 



Octavo series. 8VO. 19 pp., I. map. 1870. 



GOTH, Georg. Vordernberg in der neusten zeit oder geschichtliche 

 Darstellung der Vereinigung der Radgewerker. 



8vo. 252 pp. Vienna, 1839. 



GUINOTTE, Lucien. Etude Generale sur la Detente Variable et 

 specialeinent sur son application aux Machines a Vapeur. 



8vo. 12 pp. Liege, 1872. 

 HAMM, Wilhelm. Katechismus der Drainirung. 



24mo. 88 pp. Leipsig, 1858. 



HORMANN, A. Die Neuen Wasserhaltungs-Maschinen auf den 

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2 vols. 4to. text and plates. Berlin, 1874. 

 HUBBE, H. Reisebemerkungen, hydrotechnischen Inhalts. 



4to. 64 pp., XIII. plates. Hamburg, 1844. 



HUMPHREYS, A. A,, and Abbot, H. L. Report upon the Physics 

 and Hydraulics of the Mississippi River. 



4to. 602 pp., XX. plates. Philadelphia, 1861. 



HUNRICHS, J. W. A. Practische Anleitung zum Deich-Siel-und 



Schlengen-Bau. 2 vols. 12mo. Bremen, 1770. 



KIRKWOOD, J. P. Report Descriptive of the Construction of the 



Brooklyn Water Works and Sewers. 



4to. 160 pp. New- York, 1867. 

 KRAFT, J. Roue Hydraulic a Aubes Courbes. 



4to. 47 pp., III. plates. Paris, 1859. 



KREPP, F. C. The Sewage Question. 8vo. 208pp. London 1867. 

 MASON, E. D. Characteristics of the Missouri River, and the Means 

 used for Directing and Controlling its Channel at St. Jo- 

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Report of a Preliminary Survey of the Missouri River in the 

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2 Pamphlets. 10, 25 pp. St. Joseph, 1872. 

 MILLS, H. F. The Swain Turbine Water-Wheel. 



8vo. 51pp. Lowell, 1871. 

 MORIN, Arthur. Mecanique Pratique. Hydraulique. 



8vo. 688 pp., VII. plates. Paris, 1865. 



PONCELET, J. V., and Lesbros. Experiences Hydrauliques sur les 

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4to. 262 pp., VIII. plates. Paris, 1832. 

 REDTENBACHER. Theorie und Bau der Turbinen. 



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Theorie und Bau der Wasser-Rader. 



4to. 264 pp. Mannheim, 1858. 



REPORT of Commissioners relative to Encroachments and Pre- 

 servation of the Harbor of New-York. Transmitted to the 

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8vo. 316 pp., VII. diagrams. New- York, 1864. 



