Results for "African Americans -- Washington (D.C.)"
Retirement of William Taylor
- Date: 1954
- Creator: Unknown
- Creator: Unknown
Astrophysical Observatory in South Yard
- Date: 1909
- Creator: Unknown
- Creator: Unknown
SAO Mount Whitney Shelter Erected
- Date: 1909
News Broadcast of Secretary Abbot's Solar Invention
- Date: c. September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Smithsonian Astrophysical Observatory, South Yard
- Date: c. 1900
- Creator: Unknown
- Creator: Unknown
Smithsonian Astrophysical Observatory in the South Yard
- Date: 1899
- Creator: Unknown
- Creator: Unknown
SAO Equipment Outside Smithsonian Institution Building
- Date: 1931
- Creator: Unknown
- Creator: Unknown
Harvard-Smithsonian Center for Astrophysics
- Date: c. 1985
- Creator: Unknown
- Creator: Unknown
SAO-Harvard Radio Telescope Is Installed
- Date: 1968
Postcard of the Dome at the Mt. Wilson Observatory
- Date: 1938
- Creator: Curt Teich & Co
- Creator: Curt Teich & Co
John A. Roebling
- Date: c. 1930?
- Creator: Unknown
- Creator: Unknown
Oakridge Observatory
- Date: October 16, 2004
- Creator: Dorwin, Harold
- Creator: Dorwin, Harold
