Results for "Smithsonian Institution. Assistant Secretary for Science"
Joseph Henry Appointed to Permanent Commission of the Navy
- Date: February 20, 1863 Civil War, 1861-1865
Sketch of "Telegraph" Joseph Henry Showed his Classes at the Albany Academy
- Date: 1857
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
Drawing of the Electromagnetic Telegraph and Alpha Code
- Date: c. 1844
- 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
Sketch of Circuits Using One Battery
- Date: April 15, 1844
- Creator: Vail, Alfred,Morse, Samuel Finley Breese 1791-1872
- Creator: Vail, Alfred,Morse, Samuel Finley Breese 1791-1872
Joseph Henry Advises Samuel Morse on Telegraph
- Date: February 24, 1842
Minutes of the Permanent Commission of the Navy, Meeting XXXV (May 28, 1863)
- Date: May 28, 1863
- Creator: Joseph Henry Papers Project
- Creator: Joseph Henry Papers Project
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
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
Thomas Edison Demonstrates Telephone and Phonograph to National Academy of Sciences
- Date: April 1878
