Albert Francis Zahm

Report on European Aeronautical Laboratories

Aërial Navigation

Resistance of the Air Determined at Speeds below One Thousand Feet a Second, with Description of Two New Methods of Measuring Projectile Velocities Inside and Outside the Gun

First Man-Carrying Aeroplane Capable of Sustained Free Flight

Atmospheric Friction with Special Reference to Aeronautics

Resistance of the Air Determined at Speeds below One Thousand Feet a Second, with Description of Two New Methods of Measuring Projectile Velocitie