of Weisbach's Mechanics, by Prof. A. J. Du Bois. Containing notes giving practical examples of Stationary, Marine, and Locomotive Engines, showing American practice. By R. H. Buel. Numerous illustrations. 8vo, cloth, 5 THERMO-DYNAMICS, THE PRINCIPLES OF. With Special Applications to Hot Air, Gas, and Steam Engines. By Robert Röntgen. With additions from Profs. Verdet, Zeuner, and Pernolet. Translated, revised, and enlarged by Prof. A. J. Du Bois, of Sheffield Scientific School. 670 pages. . 8vo, cloth, 5 THE CALCULATIONS OF STRENGTH AND DIMENSIONS OF IRON AND STEEL CONSTRUCTIONS. With reference to the latest experiments. By Prof. J. J. Weyrauch, Polytechnic Institute of Stuttgart. Translated by A. J. Du Bois. With Plates.... .8vo, cloth, 1 *** Mailed and Prepaid on the receipt of the Price. CATALOGUES AND CIRCULARS GRATIS. |