Results for "Twitter"
Abbot at Table Mountain, California
- Date: c 1925
- Creator: Unknown
- Creator: Unknown
Secretary Charles G. Abbot Playing Tennis
- Creator: Unknown
- Creator: Unknown
Patent Drawing for Abbot's Pyrheliometer
- Date: 1940?
- Creator: Unknown
- Creator: Unknown
Secretary Abbot with Printouts
- Date: c. 1968
- Creator: Unknown
- Creator: Unknown
Secretary Charles G. Abbot with Bolometric Apparatus
- Date: 1900
- Creator: Unknown
- Creator: Unknown
Secretary Charles G. Abbot's Solar Cooker at Mt. Wilson, CA
- Date: c. 1920s?
- Creator: Unknown
- Creator: Unknown
SAO Equipment Outside Smithsonian Institution Building
- Date: 1931
- Creator: Unknown
- Creator: Unknown
Sumatra Eclipse Expedition
- Date: 1901
- Creator: Unknown
- Creator: Unknown
Secretary Abbot Carrying the Radiometer up Mount Wilson
- Date: c. 1930?
- Creator: Unknown
- Creator: Unknown
Harry Woodward Dorsey
- Date: Early 20th century
- Creator: Unknown
- Creator: Unknown
Manly Receives Langley Medal
- Date: 1930
- Creator: Unknown
- Creator: Unknown
Astrophysics Exhibit, Conference on the Future of the SI
- Date: 1927
- Creator: Unknown
- Creator: Unknown
