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Tests of the N.P.L. airship models in the variable density wind tunnel (1927)

NASA Technical Reports Server (NTRS) · leaf 10

An illustration from Tests of the N.P.L. airship models in the variable density wind tunnel, 1927, leaf 10
Front view of test section.

NASA Technical Reports Server (NTRS)

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

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