NACA Report No. 639
The Effect of Compressibility on Eight Full-Scale Propellers operating in the Take-Off and Climbing Range
Biermann, David - Hartman, Edwin P. (Langley Memorial Aeronautical Laboratory)
high quality paper in light brown cover size 29x23 cm
29 Seiten / pages
65 illustrations (graphs and photos)
very good condition
Washington D.C., U.S.A. - 1938 - National Advisory Committee for Aeronautics (NACA)
Art.Nr. 3950
