Strength Tests of Thin-walled Duralumin Cylinders of Elliptic Section
This is a 1935 NACA technical report on strength tests of thin-walled duralumin cylinders, issued by the National Advisory Committee for Aeronautics for aeronautical engineers and structural researchers. Its pages are engineering charts: dense grids of plotted test points, labelled curves, and fitted lines showing buckling and bending strength against dimensionless ratios. A designer could take from them the restrained look of technical graph paper, with thin rules, small serif labels, and sparse data markers.
