Our Navy's Bid for the Great Trans-Atlantic Flight

A Neglected Port, A Year of the Carnegie Institution and more

The Tank Man's Story

As Told to C. H. Claudy, Special Correspondent of the Scientific American in France

Fossil Deposits of Nebraska

What Geology Tells Us of the Prehistoric Fauna of the Plains

Free as Air

Legislation Needed to Control Aerial Traffic By Our Washington Correspondent

Shale Oil as a Business Proposition

A Timely Word of Caution as to Processes, Costs and Profits

Our Marked Highways

How Their Marks Have Led and Misled the Innocent Tourist

The Seagull Flies

Special Factors in Connection with Naval Aviation

Mechanical Equipment of the Farm

Latest Developments in Agricultural Machinery and Practical Suggestions for the Farmer

A Car-Loader that Automatically Weighs the Load