
Soaring Birdmen
A Study of Soaring Birds and a Review of Recent Glider Experiments in Germany

Soaring Birdmen
A Study of Soaring Birds and a Review of Recent Glider Experiments in Germany

The Revival of the Monoplane
Reasons Why This Type, Once Replaced by the Biplane, Has Again Become the Favorite

The Lesson of the ZR-2 Disaster
Some Recent Facts Bearing on the Construction and Tests and the Conclusions Drawn Therefrom

Winged Transportation
A Survey of Commercial Air Services Both Here and Abroad

The Dawn of American Commercial Aviation
Why We Have Trailed Behind Europe and How We Hope to Catch Up In the Near Future

Airship Versus Airplane
Salient Features of the Two Types of Aircraft With Regard to Their Applicability to Passenger Transport

New Developments in Military Aeroplanes
Aeroplane Destroyer versus Battle Aeroplane

Cost of the War in Airships
Summary of the Airship Losses of the Central Empires Since the Beginning of the War