Results for "Smithsonian Astrophysical Observatory. Hydrogen Maser Program"
Satellite Tracking Program: Station Files, 1957-1964
- Date: 1957 1957-1964
- Creator: Smithsonian Astrophysical Observatory Assistant Director (Administration)
General Correspondence and Administrative Files, 1957-1964
- Date: 1957 1957-1964
- Creator: Smithsonian Astrophysical Observatory Assistant Director (Administration)
Project Records, 1961-1973
- Date: 1961 1961-1973
- Creator: Smithsonian Astrophysical Observatory Assistant Director (Science)
Super-Schmidt Camera Installation in New Mexico
- Date: c. 1960
- Creator: Unknown
- Creator: Unknown
Departmental Records, 1958-2003
- Date: 1958 1958-2003
- Creator: Smithsonian Astrophysical Observatory Optical and Infrared Astronomy Division
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
Preparations for Solar Broadcast
- Date: c. September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Preparations for Solar Broadcast
- Date: September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Preparations for Solar Broadcast
- Date: c. September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Preparations for Solar Broadcast
- Date: September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Sec. Abbot and His Solar Powered Invention
- Date: September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Ursula Marvin
- Date: December 1978
- Creator: Hanson, Charles
- Creator: Hanson, Charles
