Calculated and Measured Pressure Distributions over the Midspan Section of the NACA 4412 Airfoil by Robert M. Pinkerton (1937, NACA-TR-563)

NACA-TR-563 (1937). NTRS abstract: 54 pressure orifices, a 5-by-30-inch model, 17 angles from −20 to 30 degrees, Reynolds number approximately 3 million; comparison with potential-flow calculations.