Science/Nature Books

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...

THE FOUNTAIN OF HAPPINESS. The source and fullness of created good is the knowledge and enjoyment of God. "Give what thou wilt, without thee we are poor; and with thee rich, take what thou wilt away." The wicked are like a ship's crew at sea, carried by the winds upon unknown waters, without peace or safety until they can renew communications with the shore. A man alienated from his God is... more...

IMPROVED FILTER PRESSES. Hitherto it has been found that of all the appliances and methods for separating the liquid from the solid matters, whether it is in the case of effluents from tanneries and other manufactories, or the ocherous and muddy sludges taken from the settling tanks in mines, some of which contain from 90 to 95 per cent. of water, the filter press is the best and the most economical,... more...

here was no use hiding from the truth. Somebody had blundered—a fatal blunder—and they were going to pay for it! Mark Forepaugh kicked the pile of hydrogen cylinders. Only a moment ago he had broken the seals—the mendacious seals that certified to the world that the flasks were fully charged. And the flasks were empty! The supply of this precious power gas, which in an emergency should have been... 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...

Science needed two thousand years to disentangle the earth's orbital movement from the revolutions of the other planets, and the incomparably more arduous problem of distinguishing the solar share in the confused multitude of stellar displacements first presented itself as possibly tractable a little more than a century ago. In the lack for it as yet of a definite solution there is, then, no... more...

The New Roman Road. [The present Pope has given his consent to build railroads in his dominions, which the former Pope was averse to. The following lines are predicated on his consent.]Ancient Romans, ancient Romans—Cato, Scipio Africanus,Ye whose fame's eclips'd by no man's,Publius Æmilianus,Sylla, Marius, Pompey, Cæsar,Fabius, dilatory teaser,Coriolanus, and ye GracchiWho gave so... more...

Prof. John W. Robson, State Botanist of Kansas, sends The Prairie Farmer an extract from his last report, concerning a tame grass for hay and pasturing which is new to that State. The grass has been on trial on an upland farm for two years, during which time he has watched it very closely. The Professor says, "It possesses so many excellent qualities as to place it in the front rank of all... more...

APPARATUS FOR MANUFACTURING GASEOUS OR AERATED BEVERAGES. The apparatus employed at present for making gaseous beverages are divided into two classes—intermittent apparatus based on chemical compression, and continuous ones based on mechanical compression. The first are simple in appearance and occupy small space, but their use is attended with too great inconveniences and losses to allow them to be... more...