Science/Nature Books

IMPROVED DYNAMO MACHINE. The continuous current and the alternating current generators invented by Dr. J. Hopkinson and Dr. Alexander Muirhead are peculiarly interesting as being probably the first in which the bobbins of the armature were wound with copper ribbon and arranged on a disk armature much in the same way as was afterward done by Sir William Thomson and by Mr. Ferranti. In the... more...

THE RAPHAEL CELEBRATION AT ROME. The most famous of Italian painters, Raffaele Sanzio, whom the world commonly calls Raphael, was born at Urbino, in Umbria, part of the Papal States, four hundred years ago. The anniversary was celebrated, on March 28, 1883, both in that town and in Rome, where he lived and worked, and where he died in 1520, with processions, orations, poetical recitations, performances... more...

HON. HIRAM SIBLEY. Hon. Hiram Sibley, of the city of Rochester, a man of national reputation as the originator of great enterprises, and as the most extensive farmer and seedsman in this country, was born at North Adams, Berkshire County, Mass., February 6, 1807, and is the second son of Benjamin and Zilpha Davis Sibley. Benjamin was the son of Timothy Sibley, of Sutton, Mass., who was the father of... more...

METAMORPHOSIS OF THE DEER'S ANTLERS. Every year in March the deer loses its antlers, and fresh ones immediately begin to grow, which exceed in size those that have just been lost. Few persons probably have been able to watch and observe the habits of the animal after it has lost its antlers. It will, therefore, be of interest to examine the accompanying drawings, by Mr. L. Beckmann, one of them... more...

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... more...

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... more...

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.... more...

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... more...

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... more...

WAGE EARNERS AND THEIR HOUSES. MANUFACTURERS AS LANDLORDS. Among the more prominent movements of the day for the improvement of the condition of the working men are those which are growing into fashion with large manufacturing incorporations. Their promise lies immediately in the fact that they call for no new convictions of political economy, and hence have nothing disturbing or revolutionary about... more...