Results for "Twitter"
Joseph Henry Constructs Large Electromagnet for Yale College Professor Benjamin Silliman
- Date: January 15, 1831
Morse Claims Henry's Work in Electromagnetism Did Not Contribute to Invention of Telegraph
- Date: July 19, 1854
left to right: Francis Melvin Rogallo (1912-2009) and Gertrude Sugden Rogallo (1914-2008)
- Date: 1963 7/18/1963
Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
- SI History Chronology
Alfred Vail Fails to Credit Joseph Henry for Development of Telegraph
- Date: 1845
- SI History Chronology
Joseph Henry Demonstrates Enhanced Electromagnet
- Date: April 15, 1829
Wright Brothers Outside Smithsonian Institution Building
- Date: 1910
- Creator: Unknown
- Creator: Unknown
Electromagnet Made by Joseph Henry
- Date: 1978
- Creator: Unknown
- Creator: Unknown
Joseph Henry's Letter to Edmund Burke (September 11, 1847)
- Date: September 11, 1847
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
John Campbell Merriam (left), George Linius Streeter (center), and Vannevar Bush (right)
- Date: 1939 04/1939
- Creator: Davis, Fremont 1915-1977
Wright Brothers Outside Smithsonian Institution Building
- Date: 1910
- Creator: Unknown
- Creator: Unknown
Joseph Henry Advises Samuel Morse on Telegraph
- Date: February 24, 1842
