Features
The Enormous Loss by Forest Fires
Encouraging Decrease of Idle Cars
A Four-Track Freight Tunnel for Manhattan Island
Postal Tubes in the Subways
The Schenectady Car Fender Tests
Electricity
Engineering
Science
Fall of the B. & O. Susquehanna Bridge
The Sun's Radiation and Its Study
The Paper Industry as Related to Forests and Education
The Multiple Air Propeller. Its Aeronautic Possibilities for Dirigible Airships, Aeroplanes, and Helicopters
The Naval Stores Industry
The Evolution of the Dovetailed Box
A Universal Joint of Simple Design
How to Obtain Fresh Water from Sea Water
Cutting Wood with Paper
Departments
- Departments
Correspondence
New Books, Etc.
Notes and Queries
Recently Patented Inventions
Index of Inventions
