Features
Bridging the Hudson River
New York Central Six-Track Subway
Side-Door Cars and Rapid Transit
Government Test of Submarines
Orson Desaix Munn
Kites in Life-Saving Operations
A High-Speed Bavarian Locomotive
The Passing of American Square-Rigged Vessels
The Telharmonium--An Apparatus for the Electrical Generation and Transmission of Music
The Opium Industry
The Uviol Lamp
Anchoring Device for Posts
Modern Use of an Ancient Invention
A Novel Steam Trap
Improved Cable-Cutting Device
Oddities in Invention
Departments
- Departments
Correspondence - March 9, 1907
Recently Patented Inventions - March 9, 1907
Notes and Queries - March 9, 1907
Index of Inventions - March 9, 1907
Patents - March 9, 1907
