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Aircraft design data .. (1919)
United States. Navy Department. Bureau of Construction and Repair · Washington, Govt. print. off. · leaf 399
Note 12. AIRCRAFT DESIGN DATA. 123 Fig. 59. — Wing rib load — deformation curves: DH-4 ribs.Airplanes · Airships · Aerodynamics
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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