Results for "Smithsonian Institution. Assistant Secretary for Science"
Secretary Charles G. Abbot Playing Tennis
- Creator: Unknown
- Creator: Unknown
Secretary Abbot Carrying the Radiometer up Mount Wilson
- Date: c. 1930?
- Creator: Unknown
- Creator: Unknown
Secretary Charles G. Abbot's Solar Cooker at Mt. Wilson, CA
- Date: c. 1920s?
- Creator: Unknown
- Creator: Unknown
The End of Operation Moonwatch
- Date: 1975
- Creator: Unknown
- Creator: Unknown
Dr. Earl S. Johnston
- Date: 1936
- Creator: Unknown
- Creator: Unknown
Postcard of Sun Tower at Mt. Wilson
- Date: c. 1930s
- Creator: Unknown
- Creator: Unknown
Patent Drawing for Abbot's Pyrheliometer
- Date: 1940?
- Creator: Unknown
- Creator: Unknown
Retirement of William Taylor
- Date: 1954
- Creator: Unknown
- Creator: Unknown
Building Shelter at Mt. Whitney, California
- Date: 1909
- Creator: Unknown
- Creator: Unknown
SAO Shelter Atop Mount Whitney
- Date: 1909
- Creator: Unknown
- Creator: Unknown
SAO Station Atop Mount Whitney
- Date: 1909
- Creator: Unknown
- Creator: Unknown
SAO Station Atop Mount Whitney
- Date: 1909
- Creator: Unknown
- Creator: Unknown
