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The Present Status of Airship Construction, Especially of Airship-framing Construction (1938)
NASA Technical Reports Server (NTRS) · leaf 41
N.A.C.A. Tecdnical Memorandum Ko. 872 Pigs.42,43,44,46,46,47 figure 44.- AKRON - Joint. Figure 45.- R-100 - Joint. Figure 47.- R-101-Inner ring joint.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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