Results for "Twitter"
Astrophysics Exhibit, Conference on the Future of the SI
- Date: 1927
- Creator: Unknown
- Creator: Unknown
Smithsonian Astrophysical Observatory Employees
- Date: 1930-1940?
- Creator: Unknown
- Creator: Unknown
Tennis Courts Behind SI Building
- Date: 1920
- Creator: Unknown
- Creator: Unknown
Dr. Charles G. Abbot
- Date: June 1935
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Swearing in of Secretary Leonard Carmichael
- Date: 1953
- Creator: Unknown
- Creator: Unknown
Secretary Charles G. Abbot with Solar Boiler
- Date: c. September 30, 1936
- Creator: Unknown
- Creator: Unknown
Secretaries Carmichael, Abbot & Wetmore, c. 1950s
- Date: c. 1950s
- Creator: Unknown
- Creator: Unknown
Freer Gallery of Art Groundbreaking
- Date: 1916
- Creator: Unknown
- Creator: Unknown
Presentation of Langley Medal to Admiral Byrd
- Date: 1931
- Creator: Unknown
- Creator: Unknown
Alexander Graham Bell Bust Presentation
- Date: 1926
- Creator: Unknown
- Creator: Unknown
Dr. Charles G. Abbot
- Date: June 1935
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Charles G. Abbot's Solar Panels
- Date: c. September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
