Results for "German Historical Institute (Washington, D.C.)"
SAO Equipment Outside Smithsonian Institution Building
- Date: 1931
- Creator: Unknown
- Creator: Unknown
Smithsonian Astrophysical Observatory, South Yard
- Date: c. 1900
- Creator: Unknown
- Creator: Unknown
Astrophysical Observatory in South Yard
- Date: 1909
- Creator: Unknown
- Creator: Unknown
Smithsonian Astrophysical Observatory in the South Yard
- Date: 1899
- Creator: Unknown
- Creator: Unknown
Harvard-Smithsonian Center for Astrophysics
- Date: c. 1985
- Creator: Unknown
- Creator: Unknown
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
Oakridge Observatory
- Date: October 16, 2004
- Creator: Dorwin, Harold
- Creator: Dorwin, Harold
John A. Roebling
- Date: c. 1930?
- Creator: Unknown
- Creator: Unknown
Plan of the Astrophysical Observatory
- Creator: Unknown
- Creator: Unknown
Postcard of the Dome at the Mt. Wilson Observatory
- Date: 1938
- Creator: Curt Teich & Co
- Creator: Curt Teich & Co
SAO Testing Fabric
- Date: c. 1940-1945
- Creator: Unknown
- Creator: Unknown
Mt. Harquahala, Arizona
- Creator: Unknown
- Creator: Unknown
