Annual report - National Advisory Committee for Aeronautics (1915)
United States. National Advisory Committee for Aeronautics · Washington, U.S. Govt. Print. Off · leaf 567
REPORT NO. 640— NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS 552 Figure 9. — Thrust-coefficient curves for propeller 5868-9, Clark Y section, 3 blades.
Aeronautics · Aeronautics, Military · United States. National Advisory Committee for Aeronautics · Aeronautics -- United States -- Periodicals · Aeronautics, Military -- United States -- Periodicals
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
