Results for "Smithsonian Institution. Assistant Secretary"
- SI History Chronology
Abbot Tests Solar Steam Boiler
- Date: September 30, 1936
Electromagnet Made by Joseph Henry
- Date: 1978
- Creator: Unknown
- Creator: Unknown
Joseph Henry's Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
Charles G. Abbot's Solar Panels
- Date: c. September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Sketch of Joseph Henry's More Powerful Magnet
- Date: 1857
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
- 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
Joseph Henry's Letter to Edward Hitchcock (January 27, 1832)
- Date: January 27, 1832
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
Joseph Henry's Letter to Parker Cleaveland (November 16, 1831)
- Date: November 16, 1831
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- SI History Chronology
Joseph Henry Demonstrates Primitive "Relay" Telegraph
- Date: 1835
- SI History Chronology
Joseph Henry Unveils Large Galvanic Battery
- Date: September 1834
- SI History Chronology
Joseph Henry Builds Electromagnet for Penfield & Taft Ironworks
- Date: June-July 1831
- Online Publications
Joseph Henry's Letter to Benjamin Silliman, Sr. (January 15, 1831)
- Date: January 15, 1831
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
