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Metal spars (1926)

NASA Technical Reports Server (NTRS) · leaf 10

An illustration from Metal spars, 1926, leaf 10
Figo.1,3,3,4 & 5 ) N.A.C.A. Technical ^e.-aorandum Mo.353

NASA Technical Reports Server (NTRS)

Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.

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