The compressive strength of duralumin columns of equal angle section (1932)
NASA Technical Reports Server (NTRS) · leaf 17
Fig. 6 N.A.C.A. Technical ITote No, 413 Note: —> This coltunn chaxt is for material I which, conforms to the strength prooerties of; Anay specification 57-187~l-type B Navy specification 44T21-type B Wavy specification 47A38u-type 3 … rig. 6 Colnnm chart for equal djaralxuain angles, c= 1.
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