Results for "Smithsonian Institution. Assistant Secretary"
Joseph Henry's Letter to John R. Henry (July 9, 1831)
- Date: July 9, 1831
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- SI History Chronology
Joseph Henry Builds Large Electromagnet for Bowdoin College
- Date: December 1831
Joseph Henry Constructs an Electric Motor
- Date: April-July 1831
Smithsonian Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
Reconstruction of Joseph Henry's Original Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
Joseph Henry's Albany Magnet with its Battery and Apparatus for Measuring its Strength
- Date: 1831
- Creator: Unknown
- Creator: Unknown
Sketch of "Telegraph" Joseph Henry Showed his Classes at the Albany Academy
- Date: 1857
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
- SI History Bibliography
"Looking Back: James H. Logan, First superintendent of the Western Pennsylvania School for the Deaf"
- Date: 1990
- Creator: Lang, Harry G
- Creator: Lang, Harry G
Joseph Henry Constructs Large Electromagnet for Yale College Professor Benjamin Silliman
- Date: January 15, 1831
