United States. Navy Department. Bureau of Construction and Repair · Washington, Govt. print. off. · leaf 289
13 AIRCRAFT DESIGN DATA. … o A\/erage yQJu.es • ProboM/e m/n/'mum ya/ues, Fig. 8. — The effect of spiral and diagonal grain on the modulus of rupture; Sitka spruce.
Airplanes · Airships · Aerodynamics
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
