Improved High-Speed Engine

The Lyman-Haskell Gun

Improved Locomotive and Tender

Improved Rotary Engine

Brickwork

The Engineering and Metal Trades Exhibition, London

Parker's screw machine.

Resistance of Cotton to High Temperatures

Crystals from Slow Combustion of Ether

Recovering Silver from Waste Gelatine Emulsion Plates or Paper

Sulphur

The Use of Butter, Milk, and Mammary Tissue in the Manufacture of Butterine

Freezing Point of Acid Solutions

Chemical Composition of Some Food Animals

New Color Reactions of the Alkaloids

Ready Test for Sulphite of Soda

Common Defects in the Sanitary Arrangements of Houses, and their Remedies

Locusts as Food for Man

The Origin of Atmospheric Electricity, and its Connection with the Electrical Occurrences Upon Our Globe

Sir Edward Sabine

A New Astral Photometer

Military Ballooning

Mushrooms

The Big Trees of California

Blanching Celery

Buckwheat—A Neglected Crop

On Some Theoretical Considerations Connected with the Hardening and Tempering of Steel

Poultry

Curved Diffraction Gratings

Manufacture of Fertilizers from Sewage