Results for "Twitter"
Secretary Charles G. Abbot Reading the Pyrheliometer
- Date: c. 1940
Secretaries Carmichael, Abbot & Ripley
- Date: This picture is post-1964
- Creator: Unknown
- Creator: Unknown
Keetmanshoop, Southwest Africa
- Date: c. 1925
- Creator: Abbot, C. G (Charles Greeley) b. 1872
- Creator: Abbot, C. G (Charles Greeley) b. 1872
Secretary Charles G. Abbot Playing Tennis
- Creator: Unknown
- Creator: Unknown
Secretary Abbot with Printouts
- Date: c. 1968
- Creator: Unknown
- Creator: Unknown
Patent Drawing for Abbot's Pyrheliometer
- Date: 1940?
- Creator: Unknown
- Creator: Unknown
- SI History Chronology
Charles G. Abbot Elected Secretary
- Date: January 10, 1928
Secretary Charles G. Abbot with Bolometric Apparatus
- Date: 1900
- Creator: Unknown
- Creator: Unknown
- Online Publications
The Henry Statue: About-Face
- Date: Winter 1995
- Creator: Stamm, Richard E
- Creator: Stamm, Richard E
- SI History Bibliography
After One Hundred Years
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
- SI History Bibliography
James Smithson and the Smithsonian Story
- Date: 1965
- Creator: Carmichael, Leonard 1898-1973,Long, J. C
- Creator: Carmichael, Leonard 1898-1973,Long, J. C
Sumatra Eclipse Expedition
- Date: 1901
- Creator: Unknown
- Creator: Unknown
