Features
The "Multi-Tubular" Submarine
Theoretical design for a 1,200-ton submarine.
Sea-Raider Versus Submarine, Saving the Heat Lost in Internal Combustion Motors, and more
The Hudson Bay Railroad
How Canada Will Eliminate the Railroad Haul Across Half the Continent
Strategic Moves of the War--April 19th, 1917
By Our Military Expert
Britain's Bid for the Control of the Air
Training the British Airmen for Army and Naval Service
Our Mobilization of Food
How We Are Going To Feed Ourselves and Our Allies
Why the Allied Powers Have Control of the Air
Departments
- Letters
Correspondence- April 28, 1917
- Departments
Inventions New and Interesting- April 28, 1917
