Results for "alfred vail samuel morse"
Drawing of the Electromagnetic Telegraph and Alpha Code
- Date: c. 1844
- Creator: Vail, Alfred
- Creator: Vail, Alfred
Notes on the Operation of Telegraph Lines
- Date: c. 1850
- Creator: Vail, Alfred
- Creator: Vail, Alfred
- SI History Bibliography
Trailblazer of American Science: The Life of Joseph Henry
- Date: 1961
- Creator: Riedman, Sarah Regal 1902-
- Creator: Riedman, Sarah Regal 1902-
Electromagnetic Telegraph Exhibit, United States National Museum
- Date: 1890 Circa 1890s
- Creator: United States National Museum Photographic Laboratory
- SI History Bibliography
Joseph Henry: Inventor of the Telegraph?
- Date: 1999-2007
- Creator: Hochfelder, David 1965-
- Creator: Hochfelder, David 1965-
- Smithsonian Legal Document
Smithsonian Institution, Board of Regents, Minutes, 1858
- Date: 1879 May 19, 1858
- Creator: Board of Regents
- Creator: Board of Regents
- Smithsonian Legal Document
Smithsonian Institution, Board of Regents, Minutes, 1857
- Date: 1879 March 16, 1857
- Creator: Board of Regents
- Creator: Board of Regents
- Smithsonian Legal Document
Smithsonian Institution, Board of Regents, Minutes, 1859
- Date: 1879 February 15, 1859
- Creator: Board of Regents
- Creator: Board of Regents
