| TABLE OF CONTENTS. |
|---|
| I. | [CHEMISTRY AND METALLURGY.—Gallisin, anUnfermentable Substance in Starch Sugar.] |
| [The Combining Weights, Volumes, and SpecificGravities of Elements and Compounds.] |
| [Analysis of Zinc Ash and Calcined Pyrites by Meansof Ammonium Carbonate.] |
| II. | [ENGINEERING AND MECHANICS.—Petroleum as aFuel in Locomotive Engines.—By THOMAS URQUHART.—Sprayinjector.—Driving locomotives.—Storage ofpetroleum.] |
| [Improved Gas Light Buoy.—2 figures.] |
| [Project for a Roadstead at Havre.—With mapand views of different breakwaters.] |
| [Improved Catch Basin.—2 figures.] |
| [Water Power with High Pressures and Wrought IronWater Pipe.—By HAMILTON SMITH, JR.—Methods ofconducting water and transmitting power.—Texas Creek pipe andaqueduct.—4 figures.] |
| [Parachute Hydraulic Motor.] |
| [Improved Shafting Lathe.—1 figure.] |
| [Power Straightening Machine.—1figure.] |
| [Hydraulic Mining in California.—By GEO.O'BRIEN.] |
| III. | [TECHNOLOGY.—Emerald Green: Its Propertiesand Manufacture.—Use in wall paper.—ROBERTGALLOWAY.] |
| [Charcoal Kilns.—Extra yield.—2figures.] |
| IV. | [ARCHITECTURE—Entrance, Tiddington House,Oxon.—An engraving.] |
| V. | [ELECTRICITY, LIGHT, HEAT. ETC.—TheTemperature of the Earth as shown by Deep Mines.] |
| [New Arrangement of the Bichromate of PotashPile.—3 figures.] |
| [The Distribution of Electricity byInduction.—1 figure.] |
| [Electricity Applied to the study of SeismicMovements.—Apparatus for the study of horizontal and verticalseismic movements, etc.—8 figures.] |
| [New Accumulators.—3 figures.] |
| [Industrial Model of the Reynier ZincAccumulator.] |
| [The History of a Lightning Flash.—By W.SLINGO.] |
| [Researches on Magnetism.] |
| VI. | [NATURAL HISTORY.—The Giraffe.—Withengraving.] |
| VII. | [MEDICINE, AND HYGIENE.—The Treatment ofCholera—By Dr. H.A. RAWLINS.] |
| [Temperature. Moisture, and Pressure, in theirRelations to Health.—London deaths under 1 year in July,August, and part of September.] |
| [Consumption Spread by Chickens.] |
| [New Method of Reducing Fever.] |
| VIII. | [MISCELLANEOUS.—The Crown Diamonds of Franceat the Exhibition of Industrial Arts.] |
| [A New Mode of Testing the Economy of the Expensesof Management in Life Insurance.—By WALTER C.WRIGHT.] |
