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Science/Nature Books
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THE HAVRE MARITIME EXHIBITION. The Havre Maritime Exhibition opened on the 7th of May. Will this exhibition awaken general interest, or will it prove a local affair simply? This is a secret of the weeks that are to follow. Should nothing chance to discourage the general interest that surrounds Havre, to dampen the enthusiasm of the public, or to act to the prejudice of the exhibitors, whose very...
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TESTS OF CREOSOTED TIMBER. By W. B. Gregory, M. Am. Soc. C. E. During the last few years a quantity of literature has appeared in which the treatment of timber by preservatives has been discussed. The properties of timber, both treated and untreated, have been determined by the Forest Service, United States Department of Agriculture, and through its researches valuable knowledge has come to engineers...
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MOLECULAR WEIGHTS. A new and most valuable method of determining the molecular weights of non-volatile as well as volatile substances has just been brought into prominence by Prof. Victor Meyer (Berichte, 1888, No. 3). The method itself was discovered by M. Raoult, and finally perfected by him in 1886, but up to the present has been but little utilized by chemists. It will be remembered that Prof....
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PUERTA DEL SOL, MADRID. Puerta del Sol, or Gate of the Sun, Madrid, is the most famous and favorite public square in the Spanish city of Madrid. It was the eastern portal of the old city. From this square radiate several of the finest streets, such as Alcala, one of the handsomest thoroughfares in the world, Mayor, Martera, Carretas, Geronimo. In our engraving the post office is seen on the right....
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A Chemist of merit, Mr. A. Müntz, who has already made himself known by important labors and by analytical researches of great precision, has been led to a very curious and totally unexpected discovery, on the subject of which he has kindly given us information in detail, which we place before our readers.[1] Mr. Müntz has discovered that arable soil, waters of the ocean and streams, and the...
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ONE MORE NUMBER. The next issue will close another volume of this paper, and with it several thousand subscriptions will expire. It being an inflexible rule of the publishers to stop sending the paper when the time is up for which subscriptions are prepaid, present subscribers will oblige us by remitting for a renewal without delay, and if they can induce one or more persons to join them in subscribing...
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GUN PRACTICE IN THE FRENCH NAVY. The gunners of the French fleet are possessed of a skill which is recognized by all the maritime powers, and these picked men proved this at the siege of Paris, where they made themselves illustrious, not only by their courage and their coolness, but also by the accuracy of their firing. Nothing is neglected, moreover, to keep up the precision of hand and eye that...
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THE FALKE TYPE TORPEDO BOAT. Among the different classes of vessels designed for special services, constructed by Messrs. Yarrow & Co., at Poplar, for the British government, is one which is stated to be the fastest torpedo boat in her majesty's navy. This boat has been put through its official trials; with a load of 15 tons, running continuously for two hours without stopping, a speed of 23...
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ZANZIBAR. The sudden death on August 25 of Sultan Hamid bin Thwain, the ruler of Zanzibar, the attempted usurpation by Seyyid Khalid, and the bombardment of the palace by the British warships, have directed public attention to this comparatively little known but important city on the east coast of Africa. The Zanzibar dominions achieved their independence some forty years ago under Seyyid Majid, whose...
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On the Importance of an Examination of the Structure of the Integument of Crustacea in the determination of doubtful Species.—Application to the genus Galathea, with the Description of a New Species of that Genus. By Spence Bate, Esq., F.L.S. [Read January 21, 1858.] Of the various genera of Decapod Crustacea none are more interesting, or more difficult of description, than those which constitute the...
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