NACA research memorandum RM (series). L57H19. Tests of aerodynamically heated multiweb wing structures in free jet at Mach no. 2, two aluminum-alloy models of 20-inch chord with 0.064-inch-thick skin at angles of attack of 0° and ±2° [with list of references]; by Georgene H. Miltonberger, George E. Griffith, and John R. Davidson.