The Combination Foot Lathe

Improved Rebolting Machine

A Chance for Inventors

The Light of Coming Days

A City Built by One Man

Fire Damp Explosions Produced by Sound

Proceedings of the American Association for the Advancement of Sciemce

A Portable Railway

Fabric Printing Machine

Scientific and Practical Information - August 29, 1874

Specific Heat

Practical Mechanism - August 29, 1874

Number VII.

Improved Hand Crank Drill

The Blackstone and Elmer Water Wheel

Bouquets From Field and Garden

Recent American and Foreign Patents - August 29, 1874

A New Scientific Museum

Decisions of the Courts - August 29, 1874

Answers to Correspondents - August 29, 1874

Canadian Patents - August 29, 1874

Communications Received - August 29, 1874