Results for "History"
Regents Dismiss Samuel Morse's Accusations Regarding Joseph Henry
- Date: May 19, 1858
- SI History Chronology
Alfred Vail Fails to Credit Joseph Henry for Development of Telegraph
- Date: 1845
- SI History Bibliography
The development of electrical technology in the 19th century
- Date: 1962
- Creator: King, W. James (William James) 1915-
- Creator: King, W. James (William James) 1915-
Joseph Henry Advises Samuel Morse on Telegraph
- Date: February 24, 1842
- SI History Chronology
Joseph Henry Demonstrates Primitive "Relay" Telegraph
- Date: 1835
Joseph Henry Testifies for Morse v. O'Reilly Telegraph Patent Case
- Date: September 7, 1849
Alfred Vail's Electromagnetic Telegraph Notes
- Date: 1848
- Creator: Vail, Alfred
- Creator: Vail, Alfred
Cover of Alfred Vail's Experiment Notebook
- Date: c. 1844
- Creator: Vail, Alfred
- Creator: Vail, Alfred
Morse Claims Henry's Work in Electromagnetism Did Not Contribute to Invention of Telegraph
- Date: July 19, 1854
Drawing of the Electromagnetic Telegraph and Alpha Code
- Date: c. 1844
- Creator: Vail, Alfred
- Creator: Vail, Alfred
Diary of Alfred Vail, September 8 and 9, 1848 Entries
- Date: September 8-9, 1848
- Creator: Vail, Alfred
- Creator: Vail, Alfred
Alfred Vail's Drawing of Many Circuits with One Battery
- Date: c. 1844
- Creator: Vail, Alfred
- Creator: Vail, Alfred
