Results for "Observatories"
Smithsonian Astrophysical Observatory Employees
- Date: 1930-1940?
- Creator: Unknown
- Creator: Unknown
- SI History Bibliography
The Smithsonian Astrophysical Observatory Solar Constant Program
- Date: May 1979
- Creator: Hoyt, Douglas V
- Creator: Hoyt, Douglas V
Astrophysical Observatory, Temporary Station, Bassour, Algeria
- Date: 1911 1911-1912
- Creator: Unknown
- Authority Record/EAC
Agency history, 1890-
- Date: 1890 1890-
- Creator: Smithsonian Astrophysical Observatory
- Finding Aid
SIA RU007005, Abbot, C. G (Charles Greeley) 1872-1973, Charles G. Abbot Papers, 1889-1973, and Records of the Smithsonian Astrophysical Observatory
- Date: 1889 1889-1973
- Creator: Abbot, C. G. (Charles Greeley), 1872-1973
- Creator: Smithsonian Institution Archives
Tennis Courts Behind SI Building
- Date: 1920
- Creator: Unknown
- Creator: Unknown
Secretary Charles G. Abbot Playing Tennis
- 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
- SI History Bibliography
The Smithsonian Institution
- Date: 1964
- SI History Bibliography
Smithsonian Institution Centennial Issue
- Date: August 9, 1946
Dr. Charles G. Abbot
- Date: June 1935
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Dr. Charles G. Abbot
- Date: June 1935
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
