| TABLE OF CONTENTS. |
|---|
| I. | CHEMISTRY AND METALLURGY.—The Determinationof Graphite in Minerals.—By J.B. MACKINTOSH. |
| Sulphocyanide of Potassium. |
| Sugar Nitro-glycerine. |
| On Remelting of Cast Iron. |
| The Hardness of Metals. |
| II. | ENGINEERING, ETC.—The Jet Ventilator. 4figures. |
| Feeding Boilers at the Bottom. 2 figures. |
| The Honigmann Fireless Engine.—The firelessworking of steam engines by means of a solution of hydrate ofsoda.—With several figures and diagrams. |
| Simple Methods of Calculating Stress inGirders.—By CH. LEAN.—With full page ofillustrations. |
| A Spring Motor. |
| Steam Yachts. |
| III. | TECHNOLOGY.—Foucault's Apparatus forManufacturing Illuminating Gas and Hydrogen. 2 figures. |
| The Circle Divider. |
| Soluble Glass.—Process ofmanufacture.—Use. |
| Iron Printing and MicroscopicPhotography.—Formulas for printing solutions.—Compoundnegatives. |
| Practical Directions for Making LanternTransparencies.—By T.N. ARMSTRONG. |
| Casting Chilled Car Wheels. 6 figures. |
| IV. | ELECTRICITY, ETC.—Electricity andPrestidigitation. 2 figures. |
| Portable Electric Safety Lamp. 6 figures. |
| The Electric Discharge and Spark PhotographedDirectly without an Objective. 6 engravings. |
| V. | PHYSICS, ETC.—The True Constant ofGravity. |
| Origin of Thunder Storms. |
| Physics without Apparatus.—Manufacture ofilluminating gas.—Elasticity of bodies. 2 figures. |
| ...
Sitemize Üyelik ÜCRETSİZDİR! |
