Search U.S. government technical reports digitized or harvested by TRAIL.
An Introduction to the Laws of Air Resistance of Aerofoils
The General Theory of Blade Screws Including Propellers, Fans, Helicopter Screws, Helicoidal Pumps, Turbo-Motors, and Different Kinds of Helicoidal Blades
Airplane Performance as Influenced by the Use of a Supercharged Engine
General Theory of the Steady Motion of an Airplane