$0 75 JOYNSON. The Metals used in construction, Iron, Steel, Bessemer Metal, etc., etc. By F. H. Joynson. Illustrated, 12mo, cloth. hard Von Cotta, Professor of Geology in the Royal thor, with numerous illustrations. 8vo, cloth....... 4 00 URE. Dictionary of Arts, Manufactures and Mines. By Andrew Ure, M.D. Sixth edition, edited by Robert 37 50 BELL Chemical Phenomena of Iron Smelting. An experimental and practical examination of the cir- 6 00 ROGERS. The Geology of Pennsylvania. A Govern ment survey, with a general view of the Geology of the text. 3 vols., 4to, cloth, with Portfolio of Maps. 30 00 BURGH. Modern Marine Engineering, . applied to Paddle and Screw Propulsion. Consisting of 36 neer, thick 4to, vol., cloth, $25.00 ; half mor........ 30 00 BARTOL. Treatise on the Marine Boilers of the United States. By B. H. Bartol. Illustrated, 8vo, cloth... 6 oo BOURNE. Treatise on the Steam Engine in its various applications to Mines, Mills, Steam Navigation, ..$15 00 STUART The Naval Dry Docks of the United States. By Charles B. Stuart late Engineer-in-Chief of the U.'S. Navy. Illustrated with 24 engravings on steel. Fourth edition, cloth.. EADS. System of Naval Defences. By James B. Eads, C, E., with 10 illustrations, 4to, cloth....... 5 00 FOSTER. Submarine Blasting in Boston Harbor, Massachusetts. Removal of Tower and Corwin 3 50 BARNES Submarine Warfare, offensive and defensive, including a discussion of the offensive Torpedo Sys- graphic plates and many wood cuts. 8vo, cloth..... HOLLEY. A Treatise on Ordnance and Armor, em bracing descriptions, discussions, and professional 5 oo SIMMS. A Treatise on the Principles and Practice of Levelling, showing its application to purposes of graphic plates and numerous wood cuts. 8vo, cloth. $2 50 BURT. Key to the Solar Compass, aud Surveyor's Companion; comprising all the rules necessary for 3 50 THE PLANE TABLE. Its uses in Topographical Surveying, from the Papers of the U. 8. Coast Sur- 2 0 " This work gives a description of the Plane Table, employed at the U.S. Coast Survey office, and the manner of using it." JEFFER'S. Nautical Surveying. By W. N. Jeffers, Captain U. S. Navy. Illustrated with 9 copperplates 5 00 CHAUVENET. New method of correcting Lunar Dis tances, and improved method of Finding the error W. Chauvenet, LL. D. Svo, cloth.. Ph. Dr. Translated by the author from the second 6 50 PEIRCE. System of Analytic Mechanics. By Benjamin Peirce. 4to, cloth... 10 00 COFFIN. Navigation and Nautical Astronomy. Pre pared for the use of the U. S. Naval Academy... By 3 5 2 00 $3 00 200 60 CLARK. Theoretical Navigation and Nautical Astron omy. By Lieut. Lewis Clark, U. S. N. Illustrated with 41 wood cuts, 8vo, cloth....... HASKINS. The Galvanometer and its Uses. A Man ual for Electricians and Students. By C. H. Has kins. izmo, pocket form, morocco. (In press)... GOUGE. New System of Ventilation, which has been thoroughly tested, under the patronage of many dis- many illustrations. Svo, cloth.... Manufacture of Terra-Cotta, Stone Ware, Fire Prick, Svo, the chemical conversion of Rock Guano, Marlstones, 8vo, cloth..... Measures. An address delivered before the convoca- Report on Machinery and Processes on the In- position, 1867. Illustrated, 8vo, cloth... Cube Roots, Reciprocals of all integer numbers up to 14 20 og 3 00 5 oo 2 50 MYER. Manual of Signals, for the use of Signal officers in the Field, and for Military and Naval Students, 12mo, 48 Hypsometry, in connection with the use of the Bar- 2 50 THE YOUNG MECHANIC. Containing directions for the use of all kinds of tools, and for the construc- I 75 PICKERT AND METCALF. The Art of Graining. How Acquired and How Produced, with description . Beautifully illustrated with finishing." Tinted paper, 4to, cloth........... HUNT. Designs for the Gateways of the Southern En trances to the Central Park. By Richard M. Hunt. With a description of the designs. 4to. cloth...... 500 LAZELLE. One Law in Nature. By Capt. H. M. Lazelle, U. S. A. A new Corpuscular Theory, comprehending Unity of Force, Identity of Matter, and its Multiple Atom Constitution, applied to the Physi cal Affections or Modes of Energy. 12mo, cloth... 150 PETERS. Notes on the Origin, Nature, Prevention, and Treatment of Asiatic Cholera. By John C. 1 50 10 00 |