| TABLE OF CONTENTS. |
|---|
| | PAGE. |
| I. | ARCHITECTURE.—Elements of Architectural Design.—By H.H. Statham.—The commencement of a series of lectures delivered before the London Society of Arts, giving the line of development of the different styles and the aspirations of their originators. 34 illustrations. | 10106 |
| II. | ASTRONOMY.—A Fivefold Comet.—A curious astronomical deduction; the probable division of one comet into five by the disturbing effects of the sun. 1 illustration. | 10116 |
| III. | BIOGRAPHY.—Linnæus.—By C.S. Hallberg.—The life and work of the great botanist, his portrait and birthplace. 2 illustrations. | 10114 |
| IV. | CHEMISTRY.—An Apparatus for Preparing Sulphurous, Carbonic, and Phosphoric Anhydrides.—By H.N. Warren.—A simple apparatus for this purpose described and illustrated. 1 illustration. | 10117 |
| The Arrangement of Atoms in Space in Organic Molecules.—A review of Prof. Johannes Wislicenus' recent theories on this abstract subject. | 10117 |
| The Isolation of Fluorine.—Note on this last isolation of an element, with the properties of the gas. 1 illustration. | 10117 |
| V. | ELECTRICITY.—Observations on Atmospheric Electricity.—By Prof. L. Weber.—Abstract of a British Association paper on this important subject. | 10114 |
| The Menges Thermo-Magnetic Generator and Motor.—The direct conversion of electricity into heat; the generator fully described. 5 illustrations. | 10113 |
| VI. | ENGINEERING.—An Investigation into the Internal Stresses Occurring in Cast Iron and Steel.—By General Nicholas Kalakoutzky.—First installment of an elaborate paper, giving theoretical and experimental examination of this subject. 2 illustrations. | 10105 |
| Hargreaves' Thermo-Motor.—A new caloric engine.—Its construction, theory, and cylinder diagrams. 6 illus ...
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