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Strength of Welded Joints in Tubular Members for Aircraft (1931)
NASA Technical Reports Server (NTRS) · leaf 12
11 STEENGTH OF WELDED JOINTS IN TUBULAR MEMBERS FOR AIRCRAFT Figure 5—Butt joints made to determine the weldability of the rodNASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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