| TABLE OF CONTENTS. |
|---|
| I. | [ENGINEERING, MECHANICS, ETC.--The Iron Industry InBrazil.--By Prof. P. FEHRAND.--Methods of obtainingiron.--Operation of the system.--Elaboration of the ore.--Settingup a forge.-- Selling price of iron] |
| [The Steamer Churchill, built by Messrs. Hall,Russell & Co., for service at Natal.--With full page ofillustrations] |
| [Three-Way Tunnels] |
| [Falconetti's Continuously Primed Siphon.--Mannerof carrying a water course over a canal, river, or road.--Withengraving] |
| [The Weibel-Piccard System of EvaporatingLiquids.-- 2 illustrations] |
| II. | [TECHNOLOGY.--Coal Gas as a Labor--saving Agent inMechanical Trades.--By T. FLETCHER.--Gas as fuel.--Arrangement ofburners for disinfection, for drying glue, albumen, etc.--Bestburners. --Gas bars for furnaces, etc.] |
| [Instantaneous Photography.--Severalillustrations] |
| III. | [ELECTRICITY, MAGNETISM, ETC.--ElectricLaunches.--A paper read before the Society of Arts by A.RECKENZAUN, and discussion on the same.--Advantages ofelectromotive power.-- Cost of same.--Experimental electriclaunches] |
| [First Experiments with the Electric Light.--SirHumphry Davy's experiments in 1813,--With two engravings] |
| [Electrical Grapnel for Submarine Cables andTorpedo Lines.-- 3 figures] |
| [Hughes' New Magnetic Balance.--1 figure] |
| [Apparatus for Measuring Small Resistances.--Withengraving and diagram] |
| [Terrestrial Magnetism.--Magnetism onrailways.--Synchronous Seismology] |
| IV. | [ARCHITECTURE.--Adornments of the New Post Officeat Leipzig.-- 2 engravings] |
| V. | [NATURAL HISTORY, ETC.--Comparison of Strength ofLarge and Small Animals.--By W. N. LOCKINGTON] |
| [Oil in California] |
| VI. | [HORTICULTURE, BOTANY. ETC.--The Dodder.--A newparasitic plant.--With engraving] |
| [Recent Botanical Investigations] |
| VII. | [MEDICINE, HYGIENE ETC.--Nutritive Value ofCondiments.--By H. D. ABBOTT] |
| VIII. | [MISCELLANEOUS.--Mont St. Michel, Normandy.--Withengraving] |
