- Aeronautics (3)
- Airplanes (2)
- Aeronautics, Military (1)
- Air mail service (1)
- Air pilots (1)
- Aircraft industry (1)
- Curtiss CD-12 (engine) (1)
- Curtiss R-1454 (engine) (1)
- Curtiss V-1400 (engine) (1)
- Periodicals (1)
- Smith (John W.) 1911 Monoplane (1)
- Smith (John W.) 1913 Monoplane (1)
- World War, 1914-1918 (1)
Our collections specialists actively work on the conservation, preservation, restoration, and long-term care of the objects in our collection. From full-scale restoration projects to applying preservation techniques and doing regular assessments, these activities form a crucial part of our stewardship of the National Collection.