A South American Aerial Rope Railroad
By the English Correspondent of Scientific American
Features
Some Possible Developments of the Gas Engine
New York and Philadelphia Motor Buses
A Description of the Gasoline and Electric Automobiles Now Used for Public Transportation
Results of Test of Automobile Trucks by the French War Department
Correspondence
The Relation of the Government to the Development of Submarine Vessels.-Il
Our Coal Briquetting Industry—II
A Complete Review of American Development- in a New Enterprise
Recent Freight Steamship Designs
New Ways of Building Steamers for Special Purposes
New Airship Built by M. Julliot
Tests of Vehicle and Implement Woods
The Basis for a New Geology—II
Raised Beaches and their Cause
Home Life of the Bluebird
The Story of a Harbinger of Spring
Suns and Nebulæ—II
A Nalternation of Generations
