NACA Report No. 656
The Column Strength of Two Extruded Aluminium-Alloy H-Sections
Osgood, William R. - Holt, Marshall (National Bureau of Standards and Aluminium Company of America)
high quality paper in light brown cover size 29x23 cm
24 Seiten / pages
27 illustrations (photos and graphs)
very good condition
Washington D.C., U.S.A. - 1939 - National Advisory Committee for Aeronautics (NACA)
Art.Nr. 3581
