Departments
- Departments
The Seventh Annual Reception and Exhibition of the New York Academy of Sciences
Revival of the American Merchant Marine
The Single-Rail Suspended Railway
Paris Exposition Notes
Death of the Duke of Argyll
Floating Dry Docks for New York City
The Heavens in May
A New form of Fiber-Cleaning Machine
Large Traction Engines for Siberia
An Improved Engine Valve-Gear
The Ives System of Color Photography
The Upbuilding of the American Merchant Marine
The Langen Single-Rail Suspended Railway
Effective Ditch-Digging Machine
A Convenient Panoramic Camera
Recently Patented Inventions - May 5, 1900
Index of Inventions - May 5, 1900
Science Settles a Great Problem
Notes and Queries - May 5, 1900
Business and Personal - May 5, 1900
Patents - May 5, 1900
