| 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. |
| ...
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