| 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 |
...
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