Science/Nature Books

Nitro-Glycerin. Professor Doremus of this city was called as a witness at the inquest upon the bodies of the unfortunate persons killed by the recent explosion at Bergen, N.J. The Professor having previously analyzed some of the explosive mixture, testified as follows:—"I have subjected it to chemical analysis, and find it to correspond to the formula C_{6}, H_{3}, O_{3}, and NO_{5}; it is well... more...

THE RIGHI RAILROAD. In the year 1864, the well-known geographer, Heinrich Keller, from Zurich, on ascending to the summit of the Righi Mountain, in the heart of Switzerland, discovered one of the finest panoramic displays of mountain scenery that he had ever witnessed. To his enthusiastic descriptions some lovers of nature in Zurich and Berne listened with much interest, and in the year 1865, Dr. Abel,... more...

THE BRITISH SANITARY CONGRESS. ADDRESS OF PRESIDENT GALTON. The Congress of the Sanitary Institute of Great Britain was opened inNewcastle on September 26. The inaugural public meeting was held in theTown Hall. Prof. De Chaumont presided, in the place of the ex-President,Lord Fortescue, and introduced Captain Galton, the new President. The President commenced his inaugural address by thanking, in the... more...

FARCOT'S SIX HORSE POWER STEAM ENGINE. This horizontal steam engine, recently constructed by Mr. E. D. Farcot for actuating a Cance dynamo-electric machine, consists of a cast iron bed frame, A, upon which are mounted all the parts. The two jacketed, cylinders, B and C, of different diameters, each contains a simple-acting piston. The two pistons are connected by one rod in common, which is fixed... more...

I have the honor this evening of addressing a few remarks to you upon the subject of influence machines, and the manner in which I propose to treat the subject is to state as shortly as possible, first, the historical portion, and afterward to point out the prominent characteristics of the later and the more commonly known machines. The diagrams upon the screen will assist the eye to the general form... more...

EMPEROR WILLIAM II. OF GERMANY. Since William II. of Germany ascended the throne as German Emperor and King of Prussia, on June 15, 1888, the eyes of Europe have been fixed on him. He has always been rather an unknown quantity, and he is regarded by the powers as an enfant terrible. The press of the world delights in showing up his weak points, and the "war lord" undoubtedly has them, but, at... more...

FOUNDATIONS IN QUICKSAND. Foundations in quicksand often have to be built in places where least expected, and sometimes the writer has been able to conveniently span the vein with an arch and avoid trouble; but where it cannot be conveniently arched over, it will be necessary to sheath pile for a trench and lay in broad sections of concrete until the space is crossed, the sheath piling being drawn and... more...

In admiring the recent developments of electric science as evidenced by the number of important inventions which have during the past few years been given to the world, especially in those branches of applied science which deal more particularly with the generation of electricity and the production of the electric light, there is often too great a tendency to forget, or, at least, to pass over in... more...

TOMBS OF THE FIRST EGYPTIAN DYNASTY. By LUDWIG BORCHARDT, Ph.D., Director of the German School in Cairo. For many years various European collections of Egyptian antiquities have contained a certain series of objects which gave archæologists great difficulty. There were vases of a peculiar form and color, greenish plates of slate, many of them in curious animal forms, and other similar things. It was... more...

THE STORY OF THE UNIVERSE. By Dr. WILLIAM HUGGINS. The opening meeting of the British Association was held in Park Hall, Cardiff, August 18, where a large and brilliant audience assembled, including, in his richly trimmed official robes, the Marquis of Bute, who this year holds office as mayor of Cardiff. At the commencement of the proceedings Sir Frederick Abel took the chair, but this was only pro... more...