Results for "Smithsonian Institution. Environmental Sciences Program"
Joseph Henry's Letter to James Lenox (March 18, 1845)
- Date: March 18, 1845
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
Charles Phillips Letter to Joseph Henry (June 14, 1845)
- Date: June 14, 1845
- Creator: Phillips, Charles,Joseph Henry Papers Project
- Creator: Phillips, Charles,Joseph Henry Papers Project
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
- Online Publications
Joseph Henry's Contributions to the Electromagnet and the Electric Motor
- Date: 1999-2007
- Creator: Sherman, Roger
- Creator: Sherman, Roger
- Online Publications
Joseph Henry's Letter to Benjamin Peirce (December 30, 1845)
- Date: December 30, 1845
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- SI History Bibliography
Joseph Henry: Inventor of the Telegraph?
- Date: 1999-2007
- Creator: Hochfelder, David 1965-
- Creator: Hochfelder, David 1965-
Letter from Alfred Vail to Samuel Morse, January 11, 1857
- Date: January 11, 1857 19th century
- Creator: Vail, Alfred
- Creator: Vail, Alfred
- SI History Chronology
Joseph Henry Demonstrates Enhanced Electromagnet
- Date: April 15, 1829
Letter from Samuel Morse to Alfred Vail, January 15, 1857
- Date: January 15, 1857 19th century
- Creator: Morse, Samuel Finley Breese 1791-1872
- Creator: Morse, Samuel Finley Breese 1791-1872
Joseph Henry Electromagnet Equipment - Armatures
- Date: Undated
- Creator: Unknown
Joseph Henry Electromagnet Equipment - Motor
- Date: Undated
- Creator: Unknown
Joseph Henry Electromagnet Equipment - Galvanometer
- Date: Undated
- Creator: Unknown
