Results for "Smithsonian Institution. Assistant Secretary for Science"
Alfred Vail's Letter to Joseph Henry (July 17, 1846)
- Date: July 17, 1846
- Creator: Vail, Alfred,Joseph Henry Papers Project
- Creator: Vail, Alfred,Joseph Henry Papers Project
Morse Claims Henry's Work in Electromagnetism Did Not Contribute to Invention of Telegraph
- Date: July 19, 1854
Joseph Henry Electromagnet
- Date: c. 1978
Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
Electromagnet Made by Joseph Henry
- Date: 1978
- Creator: Unknown
- Creator: Unknown
Smithsonian Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
Joseph Henry Advises Samuel Morse on Telegraph
- Date: February 24, 1842
Samuel F. B. Morse's Letter to Joseph Henry (October 17, 1846)
- Date: October 17, 1846
- Creator: Morse, Samuel Finley Breese 1791-1872,Joseph Henry Papers Project
- Creator: Morse, Samuel Finley Breese 1791-1872,Joseph Henry Papers Project
Joseph Henry Constructs Large Electromagnet for Yale College Professor Benjamin Silliman
- Date: January 15, 1831
Thomas Edison Demonstrates Telephone and Phonograph to National Academy of Sciences
- Date: April 1878
Regents Dismiss Samuel Morse's Accusations Regarding Joseph Henry
- Date: May 19, 1858
Joseph Henry's Letter to Samuel F. B. Morse (February 24, 1842)
- Date: February 24, 1842
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
