Results for "Smithsonian Institution. Office of the Secretary. Assistant to the Secretary"
Joseph Henry Electromagnet Equipment - Albany Magnet and Armature
- Date: Undated
- Creator: Unknown
Joseph Henry Electromagnet Equipment
- Date: 1950 Circa 1950s
- Creator: Unknown
Joseph Henry's Albany Magnet
- Date: c. 1820s
- Creator: Unknown
- Creator: Unknown
- SI History Chronology
Joseph Henry Builds Large Electromagnet for Bowdoin College
- Date: December 1831
- SI History Chronology
Joseph Henry Discovers Electromagnetic Induction
- Date: June 1832
Joseph Henry's Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
Joseph Henry's Yale Magnet
- Date: 1974
- Creator: Harrell, Alfred
- Creator: Harrell, Alfred
- SI History Chronology
Joseph Henry Demonstrates Primitive "Relay" Telegraph
- Date: 1835
- SI History Chronology
Joseph Henry Achieves Faraday Effect
- Date: December 30, 1845
Sketch of Henry Magnet
- Date: 1857
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
- SI History Chronology
Joseph Henry Establishes Priority in Discovery of Self-Induction
- Date: January 16-March 1835
Joseph Henry Testifies for Morse v. O'Reilly Telegraph Patent Case
- Date: September 7, 1849
