| TABLE OF CONTENTS. |
|---|
| | PAGE. |
| I. | BIOGRAPHY.—The New Statue of Philip Lebon.—Biography of the French pioneer inventor of gas lighting, with notes on the recent inauguration of his statue.—1 illustration. | 9757 |
| II. | CHEMISTRY.—The Analysis of Urine.—An elaborate investigation of the method of analyzing chemically and microscopically this fluid, with illustrations of the apparatus employed.—4 illustrations | 9758 |
| III. | ELECTRICITY.—Electrical Alarm for Pharmacists.—An apparatus for indicating to the pharmacist when he removes from the shelf a bottle containing poison.—2 illustrations. | 9753 |
| Electric Steel Railways.—By George W. Mansfield.—A full discussion of the problem of electric railways; comparison with horse and cable traction. | 9752 |
| IV. | ENGINEERING.—Improved Oscillating Hydraulic Motor.—A small motor for household use, as for driving sewing machines and other domestic machinery.—8 illustrations. | 9751 |
| The Ceara Harbor Works.—A remarkable engineering work now in progress in Brazil; the formation of an artificial harbor.—4 illustrations. | 9752 |
| V. | GEOLOGY.—Notes of a Recent Visit to Some of the Petroleum-Producing Territories of the United States and Canada.—By Boverton Redwood, F.I.C., F.C.S.—The second portion of this valuable paper, treating more particularly of Canadian petroleum. | 9765 |
| VI. | METEOROLOGY.—The "Meteorologiske Institut" at Upsala, and Cloud Measurements.—The methods used and results attained in the famous Upsala observatory under Profs. Ekholm and Hagström; the measurement of clouds.—1 illustration. | 9764 |
| VII. | MISCELLANEOUS.—Drawing Instrument for Accurate Work.—By J. Lehrke.—A magnifying instrument for fine work and measurements.—2 illustrations. | 9754 |
| Liquid and Gaseous Rings.—Notes on the production of vortex rings.—The different aspects and breaking up of smoke rings.—6 illustrations. | 9760 |
| Scenes among the Extinct Volcanoes of Rhinela ...
Sitemize Üyelik ÜCRETSİZDİR! |
