Results for "Smithsonian Institution. Environmental Sciences Program"
Secretary Charles Greeley Abbot
- Date: 1890s
- Creator: Unknown
- Creator: Unknown
Secretary Langley and His Brother
- Date: c. 1846
- Creator: Unknown
- Creator: Unknown
Swearing in of Secretary Leonard Carmichael
- Date: 1953
- Creator: Unknown
- Creator: Unknown
Secretary Abbot with Solar Equipment
- Creator: Unknown
- Creator: Unknown
Secretaries Carmichael, Abbot & Ripley
- Date: This picture is post-1964
- Creator: Unknown
- Creator: Unknown
Patent Drawing for Abbot's Pyrheliometer
- Date: 1940?
- Creator: Unknown
- Creator: Unknown
Visit of Emperor and Empress of Japan
- Date: 1975
- Creator: Unknown
- Creator: Unknown
Langley Studying Flight of Birds
- Date: 1901
- Creator: Unknown
- Creator: Unknown
Alexander Wetmore in his Youth
- Date: 1901
- Creator: Unknown
- Creator: Unknown
Secretary Ripley with President Johnson
- Date: 1967
- Creator: Unknown
- Creator: Unknown
Anteater's Association Meeting, NZP
- Date: c. 1950s
- Creator: Unknown
- Creator: Unknown
Charles Doolittle Walcott with Workers
- Date: c. 1910s - 1920s
- Creator: Unknown
- Creator: Unknown
