Results for "Washington (D.C.)"
Observatory at Mt. Montezuma, Chile
- Date: c. 1920
- Creator: Unknown
- Creator: Unknown
- Online Publications
Joseph Henry's Letter to Parker Cleaveland (May 8, 1832)
- Date: May 8, 1832
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Online Publications
Joseph Henry's Letter to Benjamin Silliman, Sr. (December 10, 1830)
- Date: December 10, 1830
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Online Publications
Excerpt from the Minutes of the Albany Institute (April 25, 1831)
- Date: April 25, 1831 19th century
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
Margaret Moodey & William Foshag
- Date: c. 1926
- Creator: Unknown
- Creator: Unknown
- SI History Bibliography
The Papers of Joseph Henry: January 1844-December 1846, The Princeton Years
- Date: 1992
Smithsonian Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
Joseph Henry Electromagnet
- Date: c. 1978
Daniel Appleman
- Date: 1975
- Creator: Sandved, Kjell Bloch 1922-
- Creator: Sandved, Kjell Bloch 1922-
Daniel Appleman
- Date: 1975
- Creator: Sandved, Kjell Bloch 1922-
- Creator: Sandved, Kjell Bloch 1922-
Measuring Marsh Grass Productivity
- Date: 1979
- Creator: Unknown
- Creator: Unknown
Dr. Elisabeth Gantt
- Date: 1979
- Creator: Hofmeister, Richard K
- Creator: Hofmeister, Richard K
