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Riveting in metal airplane construction. Part II : riveting methods and equipment (concluded) (1930)
NASA Technical Reports Server (NTRS) · leaf 52
N.A.C.A. Technical Memorandum No.59? Figs.69,70,71,80NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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