| TABLE OF CONTENTS. |
|---|
| I. | ASTRONOMY.—The Great Equatorial of the Paris Observatory.— The new telescope recently put in use in Paris.—Description of the instrument and of its effects.—3 illustrations |
| II. | CHEMISTRY.—An Apparatus for Heating Substances in Glass Tubes under Pressure.—By H. PEMBERTON, Jr.—A simple apparatus for effecting this purpose, avoiding risk of personal injury.— 2 illustrations |
| Table of Atomic Weights.—A revised table of atomic weights, giving the results of the last determinations, and designed for every-day use |
| Testing Cement.—A laboratory process for testing Portland cement |
| III. | CIVIL ENGINEERING.—The Compressed Air System of Paris. —An elaborate review of this great installation for the transmission of power.—The new compressed air station, with full details of performances of apparatus, etc.—10 illustrations |
| IV. | ENTOMOLOGY.—Report on Insects.—Continuation of this report on noxious insects.—Their habits and how to cope with them. —18 illustrations |
| V. | FLORICULTURE.—Lily of the Valley.—Practical notes on the cultivation of this popular flower.—How to raise it and force the growth |
| VI. | MATHEMATICS.—The Conic Sections.—By Prof. C.W. MACCORD.—Examination of the four conic sections with a general definition applicable to all.—6 illustrations |
| VII. | MECHANICAL ENGINEERING.—The Builders of the Steam Engine—The Founders of Modern Industries and Nations.—By Dr. R.H. THURSTON.—Prof. Thurston's address before the Centennial Celebration of the American Patent System at Washington, D.C.—The early history of the steam engine and its present position in the world |
| VIII. | MISCELLANEOUS.—The Breeds of Dogs.—Popular description of the different breeds of dogs most affected by amateurs.—6. illustrations |
| IX. | NAVAL ENGINEERING.—Modern Armor.—By F.R. BRAINARD.—The development of modern ship armor, from laminated sandwiched and compound types to the present solid armor.—9 illustrations |
| X. | PISCICULTURE.—Restocking th ...
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