Results for "African Americans -- Washington (D.C.)"
Sumatra Eclipse Expedition
- Date: 1901
- Creator: Unknown
- Creator: Unknown
Mt. St. Katherine, Egypt
- Date: 1933
- Creator: Unknown
- Creator: Unknown
Secretary Abbot Carrying the Radiometer up Mount Wilson
- Date: c. 1930?
- Creator: Unknown
- Creator: Unknown
Observatory at Mt. Montezuma, Chile
- Date: c. 1920
- Creator: Unknown
- Creator: Unknown
Baker-Nunn Camera
- Date: c. 1958
- Creator: Smithsonian Astrophysical Observatory
- Creator: Smithsonian Astrophysical Observatory
Installation of Multiple Mirror Telescope
- Date: 1978
- Creator: Chacon, Vicki
- Creator: Chacon, Vicki
Richard E. McCrosky at Work
- Date: c. 1970
- Creator: Smithsonian Astrophysical Observatory
- Creator: Smithsonian Astrophysical Observatory
Space Science Building (SAO), Cambridge, MA
- Date: c. 1960s
- Creator: Smithsonian Astrophysical Observatory
- Creator: Smithsonian Astrophysical Observatory
Temporary River Crossing at Mount Hopkins
- Date: 1984
- Creator: Penland, Dane A
- Creator: Penland, Dane A
Smithsonian Astrophysical Observatory Employees
- Date: 1930-1940?
- Creator: Unknown
- Creator: Unknown
Tennis Courts Behind SI Building
- Date: 1920
- Creator: Unknown
- Creator: Unknown
Observatory on Mount St. Katherine, Egypt
- Date: c. 1933
- Creator: Unknown
- Creator: Unknown
