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قراءة كتاب Scientific American, Volume 56, No. 9, February 26, 1887
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اللغة: English
Scientific American, Volume 56, No. 9, February 26, 1887
الصفحة رقم: 5
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TABLE OF CONTENTS OF
SCIENTIFIC AMERICAN SUPPLEMENT
No. 582.
For the Week Ending February 26, 1887.
Price 10 cents. For sale by all newsdealers.
| PAGE | ||
|---|---|---|
| I. | AERONAUTICS.—War Balloons.—The establishment of balloon corps in the armies of different countries; the French, English, Italian, and Russian establishments.—1 illustration | 9288 |
| II. | ASTRONOMY.—Astronomical Telescopes; their object glasses and reflectors.—By G.D. Hiscox.—The dialyte telescope; practical details of the mechanical operations of construction, such as lens grinding and shaping; washing flour of emery, tests for correction.—23 illustrations | 9296 |
| Fleurials' Gyroscope Collimator.—An ingenious application of the gyroscope to fixing the horizon line in sextant observations; an instrument crowned by the French Academy.—2 illustrations | 9291 | |
| III. | BIOLOGY.—An Epidemic of Micrococcus prodigiosus.—By M. Grimbert.—Interesting case of bacterial poisoning, with details of the detection of the bacteria | 9301 |
| The Morphological Conditions of Heredity.—An exposition of Professor A. Weissman's theory of the "perpetuity of germ plasma;" a theory opposed to the doctrine of evolution | 9295 | |
| The Third Eye of Reptiles.—The last conclusions on the pineal gland in reptiles; curious development in anatomy, the possible organ of a sixth sense.—1 illustration | 9300 | |
| IV. | CHEMISTRY.—Nitrogenous Principles of Vegetable Mould.—Note of the conclusions of MM. Berthelot and Andre | 9302 |
| The Lactocrite.—A new method of ascertaining the amount of fat in milk.—By H. Faber.—An apparatus for analyzing milk employing centrifugal force.—Results obtained.—1 illustration | 9292 | |
| V. | ELECTRICITY.—Electric Welding.—The new art in metallurgy described by Prof. Elihu Thomson; full details of the process, apparatus, and current required.—2 illustrations | 9293 |
| The Electric Waltzers.—An ingenious electric toy.—1 illustration | 9293 | |
| VI. | ENGINEERING.—Sustaining Walls. Arched sustaining walls and arched buttresses; elaborate study of French practice.—11 illustrations | 9288 |
| VII. | METEOROLOGY.—Popular Errors in Meteorology. Popular fallacies; the habits of animals, the Rocky Mountain locust; the equinoctial storm | 9299 |
| VIII. | MISCELLANEOUS.—Beethoven's Portrait. An authentic portrait of the great musician.—1 illustration | 9301 |
| Dwarfs and Giants.—Relative sizes of men; the Austrian giant, Francis Winckelmeler, 8½ feet high.—1 illustration | 9302 | |
| The Sinaloa Colony.—The Topolobampo settlement; its origin, progress, principles and prospects | 9301 | |
| IX. | NAVAL ENGINEERING.—Torpedo Boat Catchers. A review of recent constructions of fast light armored vessels for combating torpedo boats | 9290 |
| X. | ORDNANCE.—The Use of Machine Guns in the Field in Combination with Infantry.—Abstract of a recent paper on this subject by Major A. D. Anderson, R.H.A.—The advantages and uses of the weapon discussed.—Advocacy of their introduction | 9288 |
| XI. | PHOTOGRAPHY.—Orthochromatic Photography. By J. B. B. Wellington.—Formulæ and practical directions for orthochromatic work.—The use of silver carbonate and erythrosin together | 9293 |
| XII. | PHYSICS.—A New Gas Thermo-Regulator.—A simple and efficient apparatus for regulating heat in air baths, etc.—1 illustration | 9292 |
| A New Thermometer.—The principle of the Bourdon safety gauge applied to thermometry.—Fermis' new thermometer.—1 illustration | 9291 | |
| Phosphorescence of Alumina.—By Edmond Becquerel.—The effects of impurities on phosphorescence discussed | 9294 | |
| Separation of Nickel by the Magnet.—By Thomas T. P. Bruce-Warren.—The effect of copper on nickel in modifying its susceptibility to magnetic attraction.—Practical deductions as to nickel crucibles and gauze | 9294 | |
| The Capillarity and Density of Liquids.—A simple experiment in physics without apparatus.—1 illustration | 9294 | |
| XIII. | SANITATION AND HYGIENE.—A Floating Hospital.—A new structure recently erected at Newcastle-on-Tyne.—2 illustrations | 9295 |
| XIV. | TECHNOLOGY.—Employment of Acetic or Formic Acid in Bleaching.—Ingenious use of a small quantity of organic acids to decompose indefinite amounts of bleaching powder.—The invention of Dr. Lunge, of Zurich | 9290 |
| Sulphurous Acid in the Chemical Industries.—Its use in the phosphate and tartaric acid industries | 9294 | |
| Tea Withering Apparatus.—A portable blowing apparatus for drying tea.—Use of chloride of calcium to absorb moisture therein.—1 illustration | 9291 | |