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Concrete airship sheds at Orly, France. Part II (1925)
NASA Technical Reports Server (NTRS) · leaf 49
N.A.C.A. Technical Memorandum No,333 Figs.45 & 47 Fig.47 Detail of walk-way suspension.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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