Results for "Smithsonian Institution. Environmental Sciences Program"
Preparations for Solar Broadcast
- Date: c. September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Preparations for Solar Broadcast
- Date: September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
End of Operation Moonwatch Observed at SAO Luncheon
- Date: 1975 June 26, 1975
- Creator: Connolly, Vincent P
Plan of Smithsonian Grounds
- Date: c. 1911
- Creator: Unknown
- Creator: Unknown
Smithsonian Astrophysical Observatory Employees
- Date: 1930-1940?
- Creator: Unknown
- Creator: Unknown
Harvard-Smithsonian Center for Astrophysics
- Date: c. 1985
- Creator: Unknown
- Creator: Unknown
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
Camera Used by Smithsonian Astrophysical Observatory
- Date: c. 1960
- Creator: Unknown
- Creator: Unknown
Viewing of Film with Robert Citron
- Date: 1967 May 11, 1967
- Creator: Smithsonian Institution Photographic Services Division
Sec. Abbot and His Solar Powered Invention
- Date: September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Aerial View of Smithsonian Buildings, 1933
- Date: 1933
- Creator: Jex, Garnet W
- Creator: Jex, Garnet W
