Results for "American Association for the Advancement of Science"
Construction of MMT (Multiple Mirror Telescope) Observatory on Mt. Hopkins, Arizona
- Date: 1977 September 1977
- Creator: Cornell, James C. Jr
David Challinor Speaks at "Science at Smithsonian" Weekend at Mt. Hopkins, Arizona
- Date: 1976 April 23-24, 1976
- Creator: Unknown
Earl Steinford Johnston (1889-1947)
Giuseppe Colombo at Work
- Date: 1974
- Creator: Unknown
- Creator: Unknown
Viewing of Film with Robert Citron
- Date: 1967 May 11, 1967
- Creator: Smithsonian Institution Photographic Services Division
Left to right: Unidentified woman and Edward Dorris McAlister (b. 1901)
- Date: 1930 C. 1930s
Astrophysical Observatory, Unidentified Location
- Date: Undated
- Creator: Unknown
Model of Operation Moonwatch Team
- Date: 1957 January 31, 1957
- Creator: Unknown
The Periodometer, a New Instrument for Analysing Solar Records
- Date: 1930 Between 1930 and 1934
Conference on the Future of the Smithsonian, Astrophysical Observatory
- Date: 1927 February 11, 1927
- Creator: Olmsted, Arthur J
Astrophysical Observatory, Temporary Station, Bassour, Algeria
- Date: 1911 1911-1912
- Creator: Unknown
Model of Operation Moonwatch Team
- Date: 1957 January 31, 1957
- Creator: Unknown
