DTIC ADA280302: Aerodynamic Characteristics of Airfoils. Volume 4. (1927)
Defense Technical Information Center · leaf 26
211 AERODYNAMIC CHARACTERISTICS OF AIRFOILS - IV Drag Coefficient (Absolute) . C0 Dreg Coafflelant (AbgoWte).
DTIC Archive · National aeronautics and space administration washington dc · *aerodynamic characteristics · Structural properties · Aerodynamic drag · Wings · Airfoils
Internet Archive · Public domain (published before 1931). Free to use for anything.
