Quadruple Hydraulic Punching and Shearing Machine

Influence of form on the Magnetism of Soft Iron Cylinders

American Axes in England

American Iron and Steel Works

Ancient River Channels

The Wigzell & Halsey Machine

Collier's Shaping Machine

Taylor's Plate Pickling Machines

Messrs. TAYLOR&Co., Briton Ferry, Engineers

Russian Steam Launch

White Lead

The Burleigh Tunnel, Georgetown, Colorado

Annual Conversazione of the Royal Society, London

The Attractive Force of the Atom in Combination

Wool Dyeing

Sewage Works for small Towns

Sanitary Science

Prescriptions and Formulæ

The Norwegian Lemming and its Migrations

Demodex Folliculorum

The Phosphates

Intelligence of Ants

Artificial Butter

How to make Bone and Horn Manure

Sugar from Corn

Valuation of Manures