| TABLE OF CONTENTS. |
|---|
| I. | [CHEMISTRY.—Chlorides in the Rainfall of1884. Apparatus for Evaporating Organic Liquids.—Withdescription and 3 figures.] |
| II. | [ENGINEERING AND MECHANICS.—Relative Costs ofFluid and Solid Fuels.] |
| [The Manufacture of Steel Castings.] |
| [Science in Diminishing Casualties atSea.—Extract of a paper read before the British Associationby DON ARTURO DE MARCOARTER.] |
| [Improved Leveling Machine. 9 figures.] |
| [The Span of Cabin John Bridge.] |
| [Improvements in Metal Wheels. 3 figures.] |
| [Apparatus for the Production of Water Gas. 3figures.] |
| III. | [TECHNOLOGY.—The Blue PrintProcess.—R.W. JONES.] |
| [Reproductions of Drawings in Blue Lines on WhiteGround.—By A.H. HAIG.] |
| [A Plan for a Carbonizing House.—With fulldescription and 5 figures.] |
| [The Scholar's Compasses.] |
| [The Integraph.—With full description andengraving.] |
| [Apparatus for the Manufacture of GaseousBeverages. 2 engravings.] |
| [Sandmann's Vinegar Apparatus. 1 figure.] |
| [Field Kitchens. 8 figures.] |
| [A New Cop Winding Machine. 3 figures.] |
| [The Preservation of Timber.—Report of theCommittee of the American Society of Engineers.—The Boucherieprocess.—Experiments.—Decay of timber.] |
| IV. | [PHYSICS, ELECTRICITY, LIGHT, ETC.—Apparatusfor Measuring the Force of Explosives.—Withengraving.] |
| [Lighting and Ventilating by Gas.—Advantagesof gas over electricity, etc.—By WM. SUGG. 2figures.] |
| [Ander's Telephone. 1 figure.] |
| [Brown's Electric Speed Regulator. 1figure.] |
| [Magneto-electric Crossing Signal. 2figures.] |
| [The Chromatoscope.—An aid tomicroscopy.] |
| V. | [ART AND ARCHITECTURE.—The Barbara UttmannStatue at Annaberg, Saxony.] |
| [Improvements in Concrete Construction.—Useof Portland cement.—System of building in concrete inventedby Messrs. F. & J.P. West, London.] |
| [Albany Buildings. Southport.—Anengraving.] |
| VI. | [PHYSIOLOGY, HYGIENE, ETC.—The Sizes ofBlood Corpuscles in Mammals and Birds.—A table.] |
| [The Absorption of Petroleum Ointment and Lard bythe Skin.] |
| VII. | [MISCELLANEOUS.—The Missing German CorvetteAugusta.—With engraving.] |
| [The Tails of Comets.—The effect by adisturbance of solar waves, and not by special matter.] |