Results for "Washington (D.C.)"
Thomas Edison Demonstrates Telephone and Phonograph to National Academy of Sciences
- Date: April 1878
- SI History Chronology
Joseph Henry Demonstrates Enhanced Electromagnet
- Date: April 15, 1829
Joseph Henry Appointed to Permanent Commission of the Navy
- Date: February 20, 1863 Civil War, 1861-1865
Joseph Henry Constructs an Electric Motor
- Date: April-July 1831
- SI History Chronology
Joseph Henry Unveils Large Galvanic Battery
- Date: September 1834
Joseph Henry Testifies for Morse v. O'Reilly Telegraph Patent Case
- Date: September 7, 1849
Joseph Henry Constructs Large Electromagnet for Yale College Professor Benjamin Silliman
- Date: January 15, 1831
- SI History Chronology
Alfred Vail Fails to Credit Joseph Henry for Development of Telegraph
- Date: 1845
Joseph Henry Advises Samuel Morse on Telegraph
- Date: February 24, 1842
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
Regents Dismiss Samuel Morse's Accusations Regarding Joseph Henry
- Date: May 19, 1858
- Online Publications
Joseph Henry's Letter to Gustavus Vasa Fox (February 7, 1863)
- Date: February 7, 1863
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
