| TABLE OF CONTENTS. |
|---|
| | PAGE. |
| I. | [ENGINEERING AND MECHANICS.—Improved Fifteen Ton TravelingCrane. Designed for service in the construction of PortAlfred Harbor. South Africa. 3 figures.] | 4967 |
| [Improved Steam Boiler. 1 figure.] | 4968 |
| [The Elevated Railways of New York.] | 4968 |
| [Some of the Developments of Mechanical Engineering during theLast Half Century. British Association Paper. By Sir FrederickBramwell. The steam engine.—Evaporative condenser.—Steamnavigation.—Marine governors.—Light engines and boilers.—ThePerkins system.—Ether engine.—Quicksilver engine.—Locomotiveengines.—Brakes.—Motors.—Transmission of power.—Compressedair locomotives.—Hydraulic transmission of power.—Electrictransmission of power.—The manufacture of iron and steel.—Bridges.—Machine tools.—The sewing machine.—Agriculturalmachinery.—Printing machinery.] | 4968 |
| [Amateur Mechanics: Metal turning, 29 figures. Rotary cutters,12 figures. Wood-working and lathe attachments, 9 figures.] | 4971 |
| [A New Method of Keeping Mechanical Drawings.] | 4978 |
| [Achard's Electric Brake for Railway Use. 2 figures. Plan andelevation.] | 4974 |
| II. | [ELECTRICITY, ETC.—Electricity. What it is and what may beexpected of it. By Jacob Reese.] | 4974 |
| [Electric Light Apparatus for Photographic Purposes. By A.J.Jarman. 2 figures.] | 4976 |
| [Desruelles's Electric Lighter. 1 figure.] | 4976 |
| [Solenoid Underground Wires in Philadelphia.] | 4976 |
| [Dr. Herz's Telephonic Systems. 2 figures.] | 4976 |
| [Decision of the Congress of Electricians on the Units ofElectric Measures.] | 4977 |
| [Secondary Batteries. By J. Rousse.] | 4977 |
| III. | [TECHNOLOGY AND CHEMISTRY.—Domestic Sugar Production.] | 4980 |
| [M. Garnier's New Methods of Photo-Engraving. By Major J.Waterhouse.—Photogravure.—Photograph printing byvapor.—Atmography.] | 4982 |
| [Dangers of Pyrogallic Acid. By Dr. T.L. Phipson.] | 4982 |
| IV. | [ARCHITECTURE, ETC.—Artists' Homes, No. 12.—Wm. Emerson'shouse, Little Sutton, Chiswick.—Full page illustration andlarge size longitudinal section.] | 4978 |
| [Memorable English Houses. 4 figures.—Newton's house.—Flaxman's house.—Canning's house.—Johnson's house.] | 4980 |
| V. | [GEOGRAPHY.—Herald Island.—On the summit.—A midnightobservation.—Plant life on Herald Island.—Inhabitants ofthe cliffs.] | 4980 |
| VI. | [METALLURGY.—The Treatment of Quicksilver Ores in Spain.] | 4977 |
| VII. | [AERONAUTICS.—The Balloon in Aeronautics.] | 4977 |
| VIII. | [BIOGRAPHY.—Franz Liszt.—Large Portrait.] | 4981 |
