Features
Hunting for Derelict Ships
The Difficult Work of Clearing the Seas
Photographing Speech
Some Recent Investigations by Dr. Marage
The Strategic Moves of the War
Italy on a War Footing
Military Strength of the New Ally
A Novel Dissolving Picture-Projecting Apparatus
Research and Industry
Departments
- Departments
Inventions New and Interesting - June 19, 1915
Recently Patented Inventions - June 19, 1915
