ADDITIONS TO LIBRARY. EXCHANGES. American Geographical Society, Proceedings. Nos. 3-4. American Institute of Mining Engineers, Transactions. Vol. XI., 1883. American Philosophical Society, Proceedings. Vol. XXI., No. 114. American Society of Civil Engineers, Transactions. Nos. 266-271. American Chemical Journal, Vol. V., No. 6. Annalen der Hydrographie und Maritimen Meteorologie. Parts XII-I-II. Association Parisienne des Propriétaires d'Appareil à Vapeur, VIIème Congrès des Ingénieurs en Chef, 1882. Broad Arrow. No. 818. Connecticut Academy of Arts and Sciences, Transactions. Vol. V. Giornale di Artiglieria é Genio. January, 1884. Institute of Mining and Mechanical Engineers, Transactions. Vol. XXXIII., No. 2. Institute of Mechanical Engineers, Transactions. No. 4. Institution of Civil Engineers, Proceedings. No. 2. Journal de la Flotte. Nos. 4-11. Journal of the Franklin Institute. April, 1884. Journal of the Military Service Institution of the United States. Vol. V., Journal of the Royal United Service Institution. Vol. XXVII., No. 122. Mittheilungen aus dem Gebiete des Seewesens. Vol. XI., Nos. 11-12. Vol. Royal Artillery Institution, Proceedings. Vol. XII., Nos. 8-9. Revue Maritime et Coloniale. January, 1884. School of Mines Quarterly. Vol. V., Nos. 1, 2, 3. Société des Ingénieurs Civils. Annuaire de 1884. United Service Gazette. Nos. 2663-2671. DONATIONS. Annual Report, Chief of Bureau Steam Engineering, Navy Department. Ordnance Notes. Nos. 321-328. Krupp's Steel Ordnance Works. Report by Consul Potter. NAVAL INSTITUTE PRIZE ESSAY, 1885. A Prize of one hundred dollars and a gold medal is offered by the Naval Institute for the best Essay presented, subject to the following rules: 1. Competition for the Prize is open to all members, Regular, Life, Honorary and Associate, and to all persons entitled to become members, provided such membership be completed before the submission of the Essay. Members whose dues are two years in arrears are not eligible to compete for the Prize until their dues are paid. 2. Each competitor to send his essay in a sealed envelope to the Secretary on or before January 1, 1885. The name of the writer shall not be given in this envelope, but instead thereof a motto. Accompanying the essay a separate sealed envelope will be sent to the Secretary, with the motto on the outside and writer's name and motto inside. This envelope is not to be opened until after the decision of the Judges. 3. The Judges to be three gentlemen of eminent professional attainments (to be selected by the Executive Committee), who will be requested to designate the essay, if any, worthy of the Prize, and, also, those deserving honorable mention, in the order of their merit. 4. The successful essay to be published in the Proceedings of the Institute, and the essays of other competitors, receiving honorable mention, to be published also, at the discretion of the Executive Committee. 5. Any essay not having received honorable mention, to be published only with the consent of the author. 6. The subject for the Prize Essay is, "Inducements for retaining trained seamen in the Navy, and best system of rewards for long and faithful service." 7. The Essay is limited to forty-eight printed pages of the "Proceedings of the Institute." 8. The successful competitor will be made a Life Member of the Institute. 9. In the event of the Prize being awarded to the winner of a previous year, a gold clasp, suitably engraved, will be given in lieu of a gold medal. ANNAPOLIS, Md., April 3, 1884. CHAS. M. THOMAS, Secretary. THE ESTABLISHMENT OF STEEL GUN-FACTORIES IN THE UNITED STATES. BY LIEUTENANT W. H. JAQUES, U. S. N., Member of the Gun Foundry Board. Vol. X., No. 4,-Whole No. 31, Proceedings of the Naval Institute, will be wholly devoted to an article by Lieutenant W. H. Jaques, U. S. N., on the Establishment of Steel Gun-Factories in the United States. The number will thus be a complete work in itself, fully illustrated, and will possess peculiar interest at the present time, the subject being one of paramount importance. It is expected that No. 31, Proceedings of the Naval Institute, will be ready for issue early in May. ORDERS SHOULD BE SENT TO THE SECRETARY, U. S. NAVAL INSTITUTE, ANNAPOLIS, Md. PAPER COVERED, $2.00. BOUND IN CLOTH, $2.25. This Paper will present the report of the Board selected for the purpose of reporting to Congress what method should be adopted for the manufacture of heavy ordnance suited to modern warfare, for the use of the Army and Navy of the United States; it will contain the discussion in the XLVII. Congress, which led to the constitution of said board; the opinions of leading artillerists and steelmakers upon the subject of providing modern ordnance, and the following, relating to steel manufacture and gun fabrication : ENGLAND. Sources from which the armament is supplied - Royal Arsenal of Woolwich-Elswick-Armstrong guns - Hydraulic machinery - Steel furnaces -Gun tools-Steam hammers Steel manufacturers-Vavasseur gun-carriages Sir Joseph Whitworth's Works - Hydraulic casting - Hydraulic forging - Examples of Whitworth steel - Methods of manufacturing compound armor-Bessemer Works - Basic process - Present condition of artillery Vavasseur gun- Gun construction- Wire construction. |