Dressing Millstones by the use of the Diamond

Captain Ericsson on the Rotation of the Earth

Ammoniacal Gas-Engines

Potash from a New Source—The Stassfurt Mines

A Useful Brazing Lamp

Malleability and Ductility of Metals

The Canal of Suez and the Future of Egypt

A Simple Filter

H. W. Staple's Automatic Lamp Filler

A Huge Joke in Brass

What will you do with your Evenings this Winter?

Mechanical Accuracy

Death Of Inventors

Electro-Plating with Iron

Aerial Navigation

U.S. Patent Office

Manufacturing, Mining and Railroad Items

Recent American and Foreign Patents

Official List of Patents

Issued by the United States Patent Office