The Agricultural Importance of Bacteria

The Art Commission and Public Structures

Possibilities of Peat as Fuel

Automobile Notes

The Sorting of Atoms

The Unarmored Composite Gunboat "Dubuque"

Pendulum Power

Tilting Attachment for Vehicle Tops

The Buckeye Traction Ditcher

The Completion of the New York Subway

The New Cunard Turbine Steamers

By the St. Louis Correspondent of the Scientific American

Government Life-Saving Station and the Ferris Wheel

By the St. Louis Correspondent of the Scientific American

Signal Service in Modern Warfare

A Novel Gliding Machine

Prof. Botts's Flying Machine

Business and Personal Wants