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Cantilever Wings for Modern Aircraft: Some Aspects of Cantilever Wing Construction with Special Reference to Weight and Torsional Stiffness (1929)
NASA Technical Reports Server (NTRS) · leaf 15
Fig.l 7l8« shoring the general arrangement of the Stieger mono-spar £ system of wing construction.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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