Results for "Twitter"
- SI History Chronology
Solar Eclipse Observed
- Date: May 28, 1900
- Collection
Telephone Address Books, 1993-1994
- Date: 1993 1993-1994
- Creator: Smithsonian Astrophysical Observatory Office of the Director
Moonwatch Project Records, 1962-1973
- Date: 1962 1962-1973
- Creator: Smithsonian Astrophysical Observatory Moonwatch Division
Project Records, 1967-1970
- Date: 1967 1967-1970
- Creator: Mt. Hopkins Observatory
Moonwatch Administrative Subject Files, 1956-1975
- Date: 1956 1956-1975
- Creator: Smithsonian Astrophysical Observatory Moonwatch Division
- Collection
Newsletters and Bulletins, 1956-1975
- Date: 1956 1956-1975
- Creator: Smithsonian Astrophysical Observatory Moonwatch Division
- SI History Chronology
Flood Washes Out Mt. Hopkins Access Road
- Date: October, 1977
- SI History Chronology
Shapiro Named Head of CFA
- Date: July 1, 1982
- SI History Chronology
Volume 2 of Smithsonian Contributions to Knowledge Prepared
- Date: December 1851
- SI History Bibliography
The Smithsonian's Satellite-Tracking Program: Its History and Organization, Part III
- Date: 1965
- Creator: Hayes, Eugene Nelson
- Creator: Hayes, Eugene Nelson
- Smithsonian Legal Document
House of Representatives Rep. No. 370
- Date: 1977 02/28/1846
- Creator: 29th Congress, Sess. 1
- Creator: 29th Congress, Sess. 1
- SI History Chronology
Multiple Mirror Telescope Dedicated
- Date: May 9, 1979
