- Aeronautics (6)
- Aeronautics, Military (2)
- Aircraft industry (2)
- Aerial photography (1)
- Aeronautical engineers (1)
- Airplanes (1)
- Autogiros (1)
- Curtiss CD-12 (engine) (1)
- Curtiss R-1454 (engine) (1)
- Curtiss V-1400 (engine) (1)
- Curtiss, General, Aircraft (1)
- Curtiss-Wright aircraft (1)
- Herrick Vertaplane Family (1)
- Herrick rotary engine (1)
- Patent suits (1)
- Periodicals (1)
- Waco Aircraft Family (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.