Results for "Smithsonian Institution. Assistant Secretary for Research"
Secretary Charles G. Abbot Reading the Pyrheliometer
- Date: c. 1940
Secretary Charles G. Abbot with Solar Boiler
- Date: c. September 30, 1936
- Creator: Unknown
- Creator: Unknown
News Broadcast of Secretary Abbot's Solar Invention
- Date: c. September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Preparations for Solar Broadcast
- Date: September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
T. Dale Stewart Measuring Skull
- Date: c. 1976
- Creator: Sandved, Kjell Bloch 1922-
- Creator: Sandved, Kjell Bloch 1922-
Joseph Henry and Spencer Fullerton Baird Aid Pacific Railroad Surveys
- Date: April 1853
Dr. Earl S. Johnston
- Date: 1936
- Creator: Unknown
- Creator: Unknown
Margaret Moodey & William Foshag
- Date: c. 1926
- Creator: Unknown
- Creator: Unknown
Joseph Henry Seeks Support for Kane's Arctic Expedition
- Date: December 1, 1852
SAO Station Atop Mount Whitney
- Date: 1909
- Creator: Unknown
- Creator: Unknown
Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
Darius Nassiry
- Date: 1987
- Creator: Long, Eric
- Creator: Long, Eric
