Results for "National Air and Space Museum (U.S.). Dulles Extension"
Wetmore at Riacho Pilaga, Argentina, 1920
- Date: August 14, 1920
- Creator: Unknown
- Creator: Unknown
Alpheus Hyatt
- Date: c. 1890s
- Creator: Unknown
- Creator: Unknown
Slater Spinning Frame
- Date: Unknown, probably 1950s
- Creator: Unknown
- Creator: Unknown
Alexander Wetmore at his Work Quarters in Argentina
- Date: August 16, 1920
- Creator: Unknown
- Creator: Unknown
Hotel Pinho, Brazil
- Date: 1929
- Creator: Unknown
- Creator: Unknown
Alexander Wetmore on Sierra San Xavier in Argentina in 1921
- Date: April 17, 1921
- Creator: Unknown
- Creator: Unknown
G. Arthur Cooper
- Date: 1965
- Creator: Unknown
- Creator: Unknown
G. Arthur Cooper
- Date: c. 1957
- Creator: Unknown
- Creator: Unknown
G. Arthur Cooper and the "Emerald Queen"
- Date: 1961
- Creator: Unknown
- Creator: Unknown
Postcard of the Patent Office
- Date: c. 1907-1915
- Creator: Unknown
- Creator: Unknown
View from Mountaintop, Brazil
- Date: 1929
- Creator: Unknown
- Creator: Unknown
Mary Agnes Chase, Clarissa Rolfs and Group on Expedition in Brazil
- Date: 1929
- Creator: Unknown
- Creator: Unknown
