Results for "Twitter"
- SI History Bibliography
The Smithsonian's Satellite-Tracking Program: Its History and Organization, Part II
- Date: 1964
- Creator: Hayes, Eugene Nelson
- Creator: Hayes, Eugene Nelson
- SI History Bibliography
The Smithsonian Astrophysical Observatory Solar Constant Program
- Date: May 1979
- Creator: Hoyt, Douglas V
- Creator: Hoyt, Douglas V
- SI History Bibliography
Langley: Man of Science and Flight
- Date: 1966
- Creator: Vaeth, J. Gordon
- Creator: Vaeth, J. Gordon
- SI History Chronology
SAO Opens Mt. Hopkins Observatory, Arizona
- Date: October 23, 1968
- SI History Bibliography
Astrophysical Contributions of the Smithsonian Institution
- Date: 1946
- Creator: Abbot, C. G (Charles Greeley) b. 1872
- Creator: Abbot, C. G (Charles Greeley) b. 1872
- SI History Bibliography
Bell: Alexander Graham Bell and the Conquest of Solitude
- Date: 1973
- Creator: Bruce, Robert V
- Creator: Bruce, Robert V
Astrophysical Observatory, Unidentified Location
- Date: Undated
- Creator: Unknown
- SI History Bibliography
The View From the Castle: The late Charles Greeley Abbot--inventor, solar authority, astrophysicist, singer--was the fifth secretary of the Institution
- Date: February 1974
- Creator: Ripley, Sidney Dillon 1913-2001
- Creator: Ripley, Sidney Dillon 1913-2001
- Collection
Arthur Edward Lilley Papers, c. 1972
- Date: 1972 c 1972
- Creator: Lilley, Arthur Edward
Smithsonian Astrophysical Observatory, South Yard
- Date: c. 1900
- Creator: Unknown
- Creator: Unknown
- SI History Chronology
Astrophysical Observatory Established
- Date: March 1, 1890
SAO Slide-rule Machine
- Date: 1931
- Creator: Unknown
- Creator: Unknown
