Burroughs' Paper-Cutting Machine

Hot-Air Ovens for Iron Furnaces

How to Remove the Human Hair

The Artificial Man

Fair of the American Institute

Improved Seeding-Machine

Compasses of the Great Eastern

Boyden's Calash Tops for Vehicles

Interesting Patent Suit

A German Invitation to American Inventors

Bread-Making in Spain

India-Rubber Solvent

Substitute for Hay and Turnips

A Column of Interesting Varieties

Thoughts on the Progress of Science

Watt's Steam-Engine Improvements

The Atlantic Telegraph

Tewksbury's Rocking-Cradle

Kaefer's Mode of Transmitting Motion

American and English Locomotives

The American Scientific Association

A Visit to the Manhattan Gas-Works

Death of Brunel

Iron Ships

How to Make Hard Water Soft

The Four Organic Elements

Oxygen, Hydrogen, Nitrogen and Carbon

Foreign Summary—Metals and Markets

Weekly Summary of Inventions

Patent Claims

Issued from the United States Patent Office

Fishing Reel

The Real Motion of the Sun

Carl's Improved Grinding-Mill