Results for "Washington (D.C.)"
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
The End of Operation Moonwatch
- Date: 1975
- Creator: Unknown
- Creator: Unknown
Giuseppe Colombo at Work
- Date: 1974
- Creator: Unknown
- Creator: Unknown
Laboratory of Division of Radiation and Organisms, SIB
- Date: c. 1930
- Creator: Unknown
- Creator: Unknown
Tyrone Solar Station, Burro Mountain, NM
- Date: c. 1940
- Creator: Unknown
- Creator: Unknown
Constructing 84-foot Radio Telescope
- Date: c. 1968
- Creator: Smithsonian Astrophysical Observatory
- Creator: Smithsonian Astrophysical Observatory
Walter Munn and the K-50 Geodetic Camera
- Date: c. 1970
- Creator: Smithsonian Astrophysical Observatory
- Creator: Smithsonian Astrophysical Observatory
