Results for "Smithsonian Institution. Assistant Secretary for Science"
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
Secretary Charles D. Walcott at the Age of twenty-three
- Date: 1873
- Creator: Unknown
- Creator: Unknown
Secretary Emeritus Ripley and Wife, Mary Livingston Ripley
- Date: 1994
- Creator: Tinsley, Jeffrey Wayne 1947-2017
- Creator: Tinsley, Jeffrey Wayne 1947-2017
Secretary Charles D. Walcott and Men at a Field Camp
- Date: Unknown, some time in the 1910s or 1920s
- Creator: Unknown
- Creator: Unknown
Secretary Abbot Carrying the Radiometer up Mount Wilson
- Date: c. 1930?
- Creator: Unknown
- Creator: Unknown
Formosa, Argentina During Secretary Wetmore's Field Work
- Date: August 4, 1920
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Alberdi, Paraguay During Secretary Wetmore's Field Work
- Date: August 26, 1920
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Las Palmas, Argentina During Secretary Wetmore's Field Work
- Date: July 13, 1920
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Las Palmas, Argentina During Secretary Wetmore's Field Work
- Date: July 19, 1920
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Las Palmas, Argentina During Secretary Wetmore's Field Work
- Date: July 29, 1920
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Las Palmas, Argentina During Secretary Wetmore's Field Work
- Date: July 19, 1920
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
- SI History Chronology
S. Dillon Ripley, Secretary, 1964-1984, Dies
- Date: March 12, 2001 19th century
